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The laptop appears to be dead. You plug the AC adapter but the LEDs (power light, hard drive light, battery charge light, etc) do not light up and the laptop will not react at all if you press on the power button. First of all in this situation check the AC adapter. You can test the output voltage with a voltmeter.

Free Toshiba Satellite L20 drivers for Windows XP. Found 14 files. Select driver to download.

If you cannot do that, find a known good AC adapter and use it for testing the laptop. It is possible the laptop appears to be dead because the AC adapter is bad (and the battery is discharged). If you know that the AC adapter is working properly and it outputs correct voltage but the laptop is still dead, most likely you have a power issue on the motherboard (or power board on some laptops) and it has to be replaced.

If you have to replace the AC adapter, make sure you use a correct one. The output voltage must be exactly the same as on the original adapter. The output amperage has to be the same as on the original adapter or higher, but not lower. When you plug the AC adapter the power LED and the battery charge LED light up. When you press on the power button the laptop powers up but will not start.

There is no video on LCD or external monitor. If the power LED lights up it indicates that the laptop is getting power from the AC adapter. Most likely there is nothing wrong with the adapter but just in case test it with a voltmeter to make sure the output voltage is correct. Also try this. Unplug the AC adapter, remove the battery and wait for 1-2 minutes. After that plug the AC adapter ans try starting the laptop again. Sometimes this trick helps.

It also could be a memory related problem. Try reseating the memory module, just remove it from the slot on the motherboard and install it back. Try installing the memory module into the other slot (if it’s available).

If you have two memory modules installed, try removing them one by one and start the laptop just with one memory module installed. If the laptop starts fine with one memory module in both slots, but will not start with the second memory module in both slots, the second memory module is faulty. Replace the module. If the laptop starts fine with both memory modules when they are installed in the slot A, but will not start with both memory modules installed in the slot B, the slot B is faulty and you’ll have to replace the motherboard or use only one memory slot. When you press on the power button, the laptop makes a series or short and long beeps and will not start up. There is no video on the screen. In this situation test the memory module as I described in the situation2.

Try installing a known good memory module. Most likely you are getting a beep error because of a faulty memory.

You start the laptop. It sounds like the laptop is booting normally (hard drive LED is flashing) but there is no video on the screen In this situation test the laptop with an external monitor. If the external screen works fine but there is no video on the laptop LCD, most likely there is a problem inside the laptop display assembly. Go to my previous post witch covers in more details.

You start the laptop and it starts making repetitive clicking noise or grinding noise. Most likely you hear this noise because of a faulty hard drive. You can remove the hard drive and start the laptop without it. If the noise is gone, the hard drive is your problem. If the laptop makes clicking or grinding noises and you still have video on the screen, you can run a hard drive test utility. I usually use Hitachi’s drive fitness test.

This test is reliable and easy to use. The laptop boots into Windows ans works for a while, but after that it shuts down by itself without any reason or warning.

You restart the laptop but the same problem appears again Most likely it’s a. Listen for the cooling fan, make sure it works. Also this problem might appear because of a faulty memory module, try some tips from the situation 2. The laptop still boots ans you still can see the screen, so you can run the memory test. I usually use Memtest86+. Run the memory test and if it fails, replace the faulty module. Situation 6 The laptop starts normally but video on the screen has lines, some strange characters or other defects It could indicate a problem with the laptop LCD screen, video cable, graphics card or motherboard.

Here’s my previous post witch covers on the screen in more details. Related post:.

Toshiba M35X-S149 Notebook — Customer brought this notebook into my repair shop with typical complaint that the system stopped running. Preliminary tests showed correct voltage from AC power adapter. When plugged-in, power jack could rock up and down but not side to side. Pressing ON button gave case lights but no activity. System did not run. Moving AC power connector in jack would cause system to go off. Diagnosis: Cracked solder joint on positive or ground connection of DC Power Jack.

Notebook disassembly and inspection of DC power jack revealed positive post moves up and down in motherboard contact point due to broken solder connection. Positive post is blackened from possible arcing at loose connection. After replacing the defective DC Power Jack and reassembling the notebook the system powered-up for my first test. Everything tested OK.

I closed the cover and put all screws in the back. Then when I started the computer I found this mystifying problem.

I press the power button and the system starts up. There are lights on the power button, on the front ON, Battery Charge, and Power Cord indicators. The fan runs for a short time then stops. The Hard Drive indicator gives one blink.

No splash screen, NOTHING. All of the mentioned lights remain lighted. The optical drive will not open. If I depress the Power Button for the required time the system will shut down. Pressing the Power Button again gives the same results as mentioned in the previous paragraph. Now, I unplug the video cable from the motherboard and reinsert it into the outlet; press the Power Button and the system starts-up with video. The screen has proper colors.

After running for several minutes the video goes off and all activity ceases except all mentioned indicator lights remain on and the Hard Drive Light remains on. I can repeat the process over and over with the same results.

Duting the time that the system is running in WindowsXP I can turn the notebook off via “Start-Turn Off Computer-Turn Off” mouse clicks. When the system is truned off this way I can press the Power Button to start the system into Windows; then it follows the 2 minute video off routine. I have tried variations with AC power only, battery only, and plugged in the wall with battery installed. I have started the notebook without the hard drive (after the plug/unplug video) and I get the splash screen followed by searches for drives for 2 minutes then video off routine.

Seems like a video problem on the motherboard. Unplugging the screen might clear some sort of feedback from the inverter.

I don’t know. I am mystified.

Walter Computer Clinic, New Orleans •. I never expected to get a reply so quickly. Did you read my post? Isn’t it odd that unplugging and replugging the video into the motherboard will permit the system to boot fully into Windows?

I am a longtime tech in his early 70s about to retire. I leave the software work and desktops to my techs. I now work only on laptops. I complete about one per day.

These things never cease to amaze me. Working on laptops is my effort to avoid Alzheimer’s. At your suggestion I will contact Toshiba regarding the extended warranty. With sincerest appreciation, Walter •.

I have same problem that Muhammad Faisal, but in a IBM Thinkpad T20. You plug in the AC adapter, so the AC Led turns on. If you press the ON button, the AC Led and the HD Led blinks one time (i think the AC Led blinks two or three times very quickly, but I don´t know if this makes any difference) but the laptop doesn’t turn on.

I’ve tried all of the possible solutions I found on the internet forums. I’ve taked off the Li-Ion and the CR2032 batteries, the memory module and checked the AC adapter. It still not working at all. If someone knows any other possible solutions, is welcome to post it. PS: Sorry for my english, i’m from argentina.- •.

Lloyd, The “Press F2 to enter setup” screen is displayed, but it’s frozen at that point. Is there a key that I can press on power on that will let me view POST in more detail? Nope, F2 is the key you need, there is no other key to enter the BIOS setup screen.

Try removing the hard drive and DVD drive and enter the BIOS setup screen without them. A faulty drive can stop the laptop from booting properly. Try reseating the memory modules. If you have two memory sticks installed, remove them one by one and test the laptop again. It’s possible you have a faulty memory module and it freezes the laptop. gronchaje, In order to narrow down the problem, you’ll have to minimize the laptop as much as you can.

Make sure the memory module is good. Find a known good memory stick and test the laptop again. Remove hard drive, DVD drive and the wireless card. Test the laptop again. Disconnect the LCD screen from the motherboard (connector is located under the keyboard) and test the laptop again. Reconnect all cables and connectors you can access.

If it still will not start even after you removed all above mentioned parts, it’s possible that you have a problem with the motherboard and it has to be replaced. If the laptop starts after one of the above mentioned steps, start assembling it back installing all removed devices one by one and find witch one is causing the problem.

Make sure the latest version of the BIOS is installed. Visit the manufacturer’s website and find the BIOS change history. Find out if there are any fixes for the battery charging problem. Upgrade the BIOS if needed.

Replace the battery with a known good one and test again. Just in case test the laptop with another AC adapter. If upgrading the BIOS and installing new battery doesn’t help, most likely you have a problem with the charging circuit on the motherboard. In this case you’ll have to replace the motherboard or use the laptop just on AC power. Desfari FR, First of all, if the laptop is still under warranty you should send it for repair to the manufacturer. Do not open the laptop or you can loose the warranty. If the laptop is not under warranty anymore, try this.

Unplug the AC adapter and remove the battery. Wait for 2-3 minutes and plug the AC adapter. Turn on the laptop. Try starting the laptop without the hard drive installed and see if you can get any video. It’s possible that the hard drive is bad and it’s preventing the laptop from booting. If the laptop boots fine without hard drive, probably this is your problem. Minimize the laptop as much as you can.

Remove the hard drive, DVD drive, wireless card, modem, battery and test it again. If the laptop boots, start installing devices one by one until the laptop fails again. It will help you to find a faulty device. Test the laptop with a known good memory stick. I’m not a techie person I have Toshiba Satellite A70. I used automatic repair tool when I received error message about Outlook.

I was asked to insert Disc and allowed it to do its stuff. Outlook opened ok.

I allowed laptopn to close down normally. Next time I went to use the laptop the screen does not come on. The laptop makes all the right noises. I know the charger is working ok. The three green lights at front are ok. The fan comes on. Is it coincidence or has MS office changed settings?

How can I fix? Thomas, I think this is a coincidence that fixing Outlook killed the laptop. Here’s how you can test it. Start the laptop without the hard drive installed. Even without the hard drive installed, you still should see Toshiba logo on the screen when you turn on the laptop.

Can you see anything? If not, your problem is not related to software. If you have any memory stick installed into the expansion slot on the bottom, remove it and turn on the laptop. If the laptop starts after that, most likely you have a bad memory stick. It also could be a problem with the LCD screen. Test your laptop with an external screen. Connect the external screen to the VGA port on the back and start the laptop.

If the external video works fine but the laptop LCD will not light up, it’s possible you have a problem with the screen. Can anyone tell me where the cmos battery is located on a Sony Vaio FS215Z? Am getting no lights at all but the AC adaptor is fine.

Have taken to pieces but cannot find the battery anywhere. Didn’t remove the motherboard as we felt that was one step too far at this stage. Checked all connections as far as humanly possible. I don’t really want to bin it because the picture quality is great but you can now get twice the machine for a third of the price I paid for it 2 years ago. It isn’t a workhorse and hasn’t been abused at all. hi 2 all, my problems seems to be one of the above problems,yet i can’t solve it. I own HP pavilion laptop.

Lately i used it and found that i am working on battery supply. After a few minutes, the battery dead.

And while trying direct AC i did not have no led lit, no HD running, just the battery lit blinking. I did try to disconnect the battery and tried runnig on AC, i did also changed the Memory module, checked also the AC adaptor which runing well and shows 18.5 volt as needed. I opened the back of the computer and cleaned all the dirt and dust, but still i have the problem. I can not operate the laptop on direct AC.can somebody help me???

Hi, First of all, wonderful website with good information. Secondly, I work in Tech support (no training, been on the job learning as I go for about 8 months) and I have been working on getting an aging fleet of Toshiba 8100 laptops back into reasonable shape. There is one in particular that has me puzzled. It matches scenario 2 and I had already tried replacing the memory.

Used known good memory, even swapped in a known good hard drive just to be certain the drive in there was not totally dead. Are both slots toast or am I missing something entriely?

Thanks for your time •. KK, The power LED lights up when you plug the AC adapter, so I assume the power adapter work fine. Remove the battery and try turning on the laptop from the AC adapter. Sometimes it helps. Remove both memory modules one by one and test the laptop with each module in each memory slot.

It’s very unlikely that both memory modules failed at the same time. Try turning on the laptop without the hard dive installed. In some cases a failed hard drive might suspend the whole system. Does your laptop makes any kind of sounds when you push on the power button? Any LED activity? Hi I have a problem with my packard bell laptop, it for the client she complained that at no notice it just shut down and when she try to power it up it will never come up.

So what i did i stripe it up to check if there is any burned wire, change the memory, check the cpu and fan they all fine atfer that i put back together and it powered up but no windows screen, i try to re-install but it couldn’t let after that i formated the hard drive the laptop work fine with no problem. After two months later the same problem occurred and it does even show that its have a life no power, no light in the battery nothing and i don’t know what to do now. I will appreciate anyone help who knows how to solve this frastrating problem. Help Thanks •. Sphiwe Mdletshe, First of all, check the AC adapter. Make sure it outputs correct voltage and works properly.

After that check easy-to-remove parts like hard drive and memory. Try starting the laptop without battery installed. Finally, start taking the laptop apart piece by piece and test it after each step. Minimize the laptop to barebone system: motherboard, CPU and memory. If the laptop is still dead and shows no signs of life, probably you have a failed motherboard. Just in case. Check the power jack and make sure the motherboard gets power from the AC adapter, you can do it with a voltmeter.

acquired a laptop that had a soda spilled on it, was told by the owners that toshiba said it was the hard drive. It was a recent spill so I pulled it apart and cleaned it up (yes I know what I’m doing there) The problem now is it will power up fine, charge the battery, fans will go though I dont here a system beep. But there is no video, at all. No vga nothing on the lcd and I am running out of ideas to try.

Usually even with a bad hd there will be even an error on the screen but I’m getting nothing. Any suggestions? I have a Toshiba Satellite a105-s2712 which has a problem that seems to match scenario 1 (no LED lights, no powerno anything) except that whenever the computer is plugged in it makes a steady clicking sound (about 2 clicks per second). The clicking sound IS NOT the hard drive (though many people have tried to tell me it must be).

The sound is coming from the rear left of the computer–the area where the power cord plugs in. I’m no techie, so please keep your comments in layman’s terms–something this website seems to do remarkably well.

Thanks for this service. mine is situation no.

I was working on it last night when there was a “tick” sound and since then all is blank.i press power button there is no activity.just the 4 lights(charging etc.) come up and the power light goes off itself. The bad part is that itsmy dad’s and he is going to kill me for this so i cant call an engineerand i know simply nothing about how to actually enact on your suggestions.i cant open it.i live in new delhi, india and its a hp notebookhelp me and save me from dyingplease •. benny, I’ve a Compaq Presario V5000 series laptop which is dead. No LED light, no sound, etc. Tried another adaptor but still no response.

I think you are right. Sounds like a problem with the motherboard. Also, there is a chance that the motherboard itself is OK but you have a problem with the power jack. In both cases, it’s necessary to open up the laptop and take a closer look at the motherboard. Check the power jack first. Connect the AC adapter and using a voltmeter check if power comes to the motherboard. If the motherboard receive power from the AC adapter, but it’s dead, you’ll have to replace the motherboard.

You’ll find step-by-step disassembly instruction in the (4.18MB pdf file). Hi I have a Toshiba A85, and my problem is as follows. Sometimes when I start it, an area somehwere near the cooling fan makes a loud roaring noise, but it doesn’t happen always. Also, just today, I started it up as always, no roaring or ticking noises, I typed in my password as usual, and then my background showed up, but after that it stopped loading, the computer didn’t freeze, I could still move the mouse and open the Ctrl+Alt+Del window, but it doesn’t do anything after that, I restarted the computer several times, I even tried getting on another profile of the laptop and the same thing happens. Please and thanks for your help •. Wow, glad that I found this site.

I have a question. I have a Sharp PC-MM10 laptop Computer with the docking cradle. This laptop, when powered on, show a quick power on green LED, and then goes to a flashing amber LED and nothing else happens. Th battery does indicate that it is receiving a charge and when the laptop is in it’s cradle the laptop’s hard drive does show asa logical drive on the desktop.

I do not think the motherboard is a complete lost cause as it is charging and the hard drive is accesible, but I could be wrong. Any suggestions would be greatly appreciated as it is a great little laptop!

I have a HP ZV5000 laptop that is totally dead. It was working perfectly except for the dc power jack was loose and when I replaced it the only function that it had was the battery charge lcd light blinked 3 times.

There was no other action on the laptop. I reseated the memory, no help I then removed the cd/dvd drive, hard drive, and still no help. The battery is totally dead. Before this started if the laptop ran down under 20 percent remaining battery it was a real problem to get it to recharge back., but after wiggling the power cord it would take a charge and continue to work.

I have no way to charge the battery and was wondering if anyone had tried to driect charge the battery using the contacts on the battery. This is the only other option I can think off other than replacing the motherboard and I haven’t seen one under 250-300 bucks. Iwould just like to be sure before I spend that much or more likely trash the laptop. ANY help would be appreciated •. Jimmy Knight, Did you replace the power jack yourself or you took the laptop to a repair shop? If the laptop worked fine before the power jack replacement but not after, apparently you didn’t do a good job.

Remove the motherboard again and examine the power jack, make sure there is no shorts between solder joints. Unfortunately, there is no way I can troubleshoot this laptop without looking at it. You can minimize the system to bare minimum – motherboard, CPU and memory. If these three parts are good, you should be able to start the laptop with an external monitor. If the laptop is still dead, even after you minimized it, one of the above mentioned parts is bad.

I have a Dell Inspiron 600m with a situation similar to: Situation 2. When you plug the AC adapter the power LED and the battery charge LED light up. When you press on the power button the laptop will not start and you cannot hear any activity from the hard drive, cooling fan and the DVD drive. ————– I’ve tried both suggestions but have had no luck. Fried motherboard?

Any further suggestions? This all came about after the battery ran down to the warning level during normal use and everything shut off abruptly when it tried to shut down properly.

The battery still charged back up and all indications were that things were ok until I tried to turn it on minutes later. The only reaction to the power button being pushed are the lights that normally kick on during startup.

This lasts for 1-2 seconds and nothing else happens. If there are any other helpful details, please let me know. Suraj, we appear to have the same problem. Let me know if you get any good help from anywhere.

Hi i need help fast. Please help me I have toshiba stelite m70-122 and i have it 2 years and everything it was ok. Today when i work and put on power supply its turn off. After that when i thorn on it show me that the message Windows could not start because the following file is missing or corrupt: system32 ntoskrnl.exe I fix that and go on. When i need again power supply its thorn off and now is dead LEDs (power light, hard drive light, battery charge light, etc) do not light up and the laptop is not reacting at all if i press on the power button. Sorry for my bead English and pls help me(its not mine ) •.

Hello, I am about to give up on my Toshiba Satellite M35X-S149 A couple of days ago I tried turning it on and got nothing but a black screen. I thought that my screen died on me since the button’s blue light was on and all my led lights are on. But the fan only turns on for a few seconds and after several tries to turn it on it did boot up. It worked fine for hours like nothing was wrong. When I rebooted again the next day I had the same problem.

Now it won’t boot up at all and when it does it shuts off before everything loads. Should I just give up on it? —–typing this on my Nintendo DS so ignore the typos. Thanks for any help. Hey, cj2600, I’m working right now on a Toshiba Sallite Pro 6100 (manufactured in 2003). I have all-around two-decades of experience in the field of electronics (EE) and troubleshooting, however; right now I’m facing a really weird problem that is frustrating as hell. Any sort of assistance is much appreciated.

Oh and by the way, your website is really helpful — keep it up, you’re doing a great job. The laptop was brought to me because its CMOS battery was undercharged and as a result, the BIOS couldn’t hold the user-set values including the system clocks and such. Other than these, the laptop was in working condition. As soon as I’ve heard the symptoms of the problem I predicted that it’s a low battery.

I’ve placed the laptop on my workbench and half-disassembled (did not take out the system board, CPU, and such because my goal was to only reach the CMOS battery) the notebook, ultimately I’ve located the battery and measured it with my multimeter. Indeed, it was barely showing off 300mV instead of 3V. OK, I’ve taken out the battery, recharged, and placed it back in its place.

I’ve assembled the laptop totally and when I pushed the “power” button, nothing happened. I was like – ‘what the heck?’ Hmm. The AC adapter LED lights up, so the circuitry gets powered up until that stage. At least I knew there’s nothing wrong the power jack.

I thought I’ve made a mistake when I’ve assembled the notebook so I’ve taken apart again, totally and completely, and tried to power on – still nothing. Then I’ve followed the approach of narrowing down the problems by minimizing the components (disconnected and taken out the HDD, wireless card, DVD-ROM, LCD screen, even the sound card, etc.) and still it didn’t show _any_ sign of aliveness. I’ve taken out the CMOS battery, re-seated, still nothing. I was becoming frustrated and I’ve measured the power on switch – its condition was fine. As a last resort, I’ve totally disassembled the laptop. Of course, I’ve also considered the anti-ESD protections. Once I’ve taken out and thoroughly examined each little section of the system board, even with a magnifying glass, I haven’t noticed anything “weird.” So I’ve connected together the necessary components, once again, to create a bare-bone notebook only with the system board, CPU, memory module (it has only one), and the cooler.

This setup was on an anti-static conductive material. I’ve hooked up to the AC adapter, the LED lights up, but pushing the “power” button is still worthless; it does nothing, shows no signs of being alive. I’ve cleaned the contacts of the memory modules (isopropyl alcohol). I’ve tried reseating at the another slot – nothing changed. I’ve tried reseating everything, every little connector and cable starting from the LCD screen to wireless antenna, anything that I could find – still nothing changed.

I was running out of ideas, as you can imagine, so out of frustration I’ve taken my trusty multimeter and was starting to measure the resistances between components, but the system board was grounded (you know, those metalic rings underneath the screw holes). At this point I have absolutely no idea on what to do anymore, what to try, etc. Like I said earlier, any kind of guidance or assistance is much appreciated. I’m curious what would you try if you were in my place. This scenario is pretty weird, especially since the laptop was in working condition and I have done nothing to it than disassembling it with care, taking out the CMOS battery (first I’ve disconnected its 2-pin connector and then taken out the whole battery with connector and cable), recharged, and assembled it again.

From this point, no matter what I did, how many times, the laptop couldn’t be brought to life again. I wonder what happened and how could I ressurect this system board, if possible, because due to all of the aforementioned, it’s pretty much nothing but the system board, though, everything can be. Thanks in advance and I look forward to reading your knowledgeable and professional answer. Have a great week. Regards, –Anthony. I have an HP Pavillion dv2000, thats almost a year old.

Just yesterday I went to turn on the laptop and it seems that the hard drive tries to boot for about 3 seconds, then stops, the fan is running, the power light is on, as well as the charging light (if plugged in) but not the hard drive light (there are 3 blue lights in the front to display these three things) Also, all of the media buttons above the keyboard are lightin up but the screen never comes on, and I dont think it ever boots at all. Now I did recently, about a month ago, upgrade my RAM and installed a 1 gig chip that I bought from best buy (taking out the orignal 512 it came with two seperate 512’s, and now has the 1 gig and the 512.) I know that is has been stated to try to remove the new memory, which I will surely try as soon as I get home.

If this does solve the problem, am I to just accept that my machine has to run on the slow 1 gig of RAM that it came with?) And more importantly, if it doesnt work, what am I to do??? I kinda remember this similar situation happening a few weeks back, but I just left it on without being plugged in until the battery died, then pluged it in and booted and it worked. But this time, I have tried that like 20 times, and I am getting sadder and sadder and going through laptop withdrawl. Thanks for the help, this site is really cool.

Anthony, Sorry for a late response, I was busy. Man, I wouldn’t touch a Toshiba Satellite Pro 6100 with a 10-foot pole.

A few years ago we had a customer with hundreds of these units and working on them was a nightmare. You take it apart and it never starts again.

First of all, the laptop couldn’t hold the user-set values including the system clocks and such and you would think that the CMOS (RTC) battery has to be replaced, but replacing this battery doesn’t help. We think that all these startup problems, including the CMOS battery issue, are related to poor connectors between motherboard, power board, VGA board. Witch of them are failing?

I don’t know. When we were “fixing” these laptop we just kept replacing all these parts until we find a good working combinations. What you can do is try reseating all these parts and make sure they all making good connection between each other. I am no a computer technician but I am familiar taking electronics apart, putting them together and still work. My problem is with an Acer Travelmate 620. The laptop would not start without the AC adaptor. It did 4 short beeps during post the led light comes up and it shuts down again.

If I start it with the AC adaptor then the laptop starts even though I pull out the AC power right the next second after I press the Power button. I assumed it was the battery even though it lasted for an hour if I started the laptop with the AC. So I got a new battery but the problem remains, 4 short beeps and it shuts down. According to the service manual this message means “Battery Critical Low” but the new battery last for almost 3 hours after I use the AC adaptor to start up.

Is there a chance this message to refer to the RTS battery? Although the time and other information stays on time and order.

Could it be a sensor that gone bad and wrongly reports “battery low” during the first second of startup? Any help would be greatly appreciated •. MjW, I don’t think that this problem is related to the RTC (CMOS) battery because the system time stays the same and doesn’t reset to defaults. To me it sounds like a possible problem with the motherboard. Take a look at the battery contacts on the motherboard, make sure they are clean. Check the BIOS version and update it to the latest version if needed, it may help.

Try discharging the battery. Run the laptop with the AC adapter unplugged until the battery dies and then plug it in and recharge the battery. Hi there I have a thinkpad t31 which turns on but doesnt boot up at all. I can hear the fan turning on but thats about it. Nothing happens after that. No screen, nothing.

However, the computer stays on plus the fan doesnt stop running. Sometimes (very rarely), it does bootup and comes in fully working condition but freezes after a few hours with a wierd message that ‘your computer has been turned off, if this is a first time you are seeing this message try rebooting it if it happened before try removing un necessary hardware and software and reboot again.

If, i try rebooting it sometimes it does reboot and somtimes the same problem occurs as discussed above. Can anyone please help? Thanks soo much •. I am Having A prob. With My Hp compaq Nx6110.It was Given to Me as A gift,it worked fine until nov.2007, since then i have tired very thing.the lights come on when i plug it in to a/c then the amber lights blinks 8 times. Does not boot to post.alson the battry does not work it was fully charged at the time.i got it to work later in dec. Of 2007 by pushing down near the battry slot on the motherborad.but now that stoped working to.

Is help full.to think i went to school for this.maybe i need to go back.thanks •. I have a compaq laptop which starts to boot into windows but fails, displaying the message “Windows did not start successfully. A recent hardware or software change might have caused this problem”. It then gives three options to choose from for starting it: Safe Mode, Safe Mode with Networking, Safe Mode with Commande Prompt. I have used all three modes to no avail. In each occasion it asks for the use of the Recovery Disk which I used but then it would only allow a full reinstall which wipes away most of my files and files.

How can I fix this problem without losing my files? MjW, The laptop would not start without the AC adaptor.

It did 4 short beeps during post the led light comes up and it shuts down again. I tried to find the error message explanation in the service manual and looks like you are right, it says: Battery critical LOW In this situation BIOS will issue 4 short beeps then shut down system, no message will show.

I don’t think that the manual refers to the RTC (CMOS) battery. Because if there is an error code related to the CMOS battery, it says SMOS battery, not just battery. RTC battery=CMOS battery •.

Hello, I have a Toshiba Satellite A55. I was having problems with the AC adapter supplying power, which meant either the adapter was bad or the power supply socket connection was faulty.

Since it was late, I decided to take apart the laptop and check the power connection. After disassembling it, the power socket looked ok. I put back together and got a new ac adapter. I plugged the new adapter in and the charge lights on the front of the machine work, but absolutely nothing happens when I hit the power button (no sound, no nothing). I’m afraid I may have knocked something around during my disassembly/reassembly. Is there one or two things I should look at to solve this issue?

I have already tried going back through the machine and looking for disconnected cables. However, it looks pretty set.

Thanks for your help!! Gregg, In order to boot a laptop with video on internal or external monitor, you need three major parts: motherboard, CPU and memory. Check the memory module first, make sure it’s seated correctly, try reconnecting the module or even move it into the empty slot. If for some reason you removed the CPU, make sure it’s seated properly and the CPU socket on the motherboard is locked. You can assemble a barebone system: system board, CPU (with heatsink and fan) and memory and then connect an external monitor.

If all three main parts are fine, you should be able to boot this system and get at least Toshiba logo on the screen. I plugged the new adapter in and the charge lights on the front of the machine work, but absolutely nothing happens when I hit the power button (no sound, no nothing). I believe in this model the power button is not on the motherboard, it’s on a separate board witch is connected to the motherboard via flat ribbon cable. Make sure this cable is properly connected to the motherboard and the connector is locked.

Loose connection between this board and motherboard can be your problem. Hi, i have a Dell Inspiron 1525, only had it 2 months and its suddenly conked out on me! When i start it it recommends startup repai i click that it goes on for like an hour then brings up a blue screen sayin random stuff about hardware or programmes which may have caused the failure. It recommends pressin f8, i have tried every option on f8, nothing helps i have inserted teh re installation vista dick too, really peeved as i need to finish my dissertation for uni, dont know what to so, somebody help please!!!!! Hi, I have a Sony Vaio (VGN-FS600 series) which was working beautifully (it’s definately not software related) when one day while I was on the laptop it turned it’s self off without warning. I thought I had somehow unplugged it and not noticed it was running on battery power (since I turned off the “sleep mode at 5 percent battery power” option a while back to help fully discharge my battery before I recharged it to promote battery life) because it felt almost exactly like when it turns off because the battery dies.

I checked the adaptor, realized it was indeed plugged in, lifted it up and felt the underside, it was warm but not ungodly hot and certainly not the warmest I’d felt it in the past, and just pulled the cord out and popped it back in, and pressed the on button. The laptop lights (charging battery, etc) did not turn on, the laptop did not turn on, and I heard an extremely brief and faint clicking or popping sound repeated a few times before stopping. I pressed the on button again, nothing. I unplugged the cord, reseated it and jiggled it a bit to make sure it wasn’t a loose connection at a wrong angle, then pressed the on button, and again the faint clicking/popping sound about 4-5 times but otherwise nothing. No activity of any kind including the lights. I don’t -think- it’s the laptop cord, as the cord’s brick is still lit up when plugged in, and I’d rather not go shell out the money to buy a universal laptop cord while I have the option to find out if it is a different problem.

Does this sound like an power cord problem or a motherboard problem? Andrea, The laptop lights (charging battery, etc) did not turn on, the laptop did not turn on, and I heard an extremely brief and faint clicking or popping sound repeated a few times before stopping. Did you notice if the popping sound was coming from the power adapter or from the laptop itself? Does this sound like an power cord problem or a motherboard problem? Unfortunately, you cannot tell until you test the laptop with another working power adapter. At least, you can test the adapter with a voltmeter and find out it it outputs correct voltage. Unplug the adapter, remove the battery.

Wait for a few minutes then plug the power adapter and try turning the laptop on again. I had a similar problem with my Sony laptop in the past (only without popping sound) and removing adapter/unplugging the battery helped. Also, try this. You mentioned a popping sound and It’s possible this sound comes from the hard drive. Try removing the hard drive and starting the laptop without it.

In some cases a faulty hard drive might halt the whole system from booting. Can you boot the laptop with video when the hard drive is removed? I have an issue where my Dell 700M will not boot the OS. It powers on, boots the BIOS, then hangs at a black screen.

I have tried the power fixes, the result is the same, on battery, or power, with or without battery. I have tried removing the DVD drive and booting. I have removed the hard drive, and have connected it to another computer (via USB box), and the drive works fine. I ran the Dell Diagnostics from the Boot menu (F12), which checks BIOS, CMOS, memory, and everything passed. Anyone have any ideas as to what may be the issue? Laura Shao, The power button on IBM laptops is located on the keyboard. Maybe the power button is bad and the keyboard has to be replaced?

You can try reconnecting the keyboard first. Unplug it from the motherboard and then plug it back in. It’s possible the keyboard is not making good connecting with the motherboard and reconnecting the cable will fix your problem. Here’s, it explains how to disconnect and remove the keyboard.

If reconnecting or replacing the keyboard will not help, most likely you have a problem with the motherboard. Hi, I have a Toshiba Satellite Pro 6000 Laptop and I spilled Orange Juice all over the key board. I dried it off and have started to try and start it up again but when I press the power button nothing happens. There is the DC LED orange light that is blinking on and off.

I have tried taking the battery out and plugging it into the outlet starting it that way but had no success. At one point the DC LED turned green and the battery LED turned orange but it would not start.

Now it has gone back to the first orange blinking light. Can anybody help me? pete, I have a Toshiba M50, Had viruses which I cleaned out, now my DVD drive is not recognized in device manager, my computer and Bios. Dvd lights up but wont read disk so I Can’t reinstall windows. I don’t think this is related to viruses, sounds like a hardware failure. Clean the optical lens inside the drive with cotton swab and alcohol.

You can try reseating the DVD drive. Just remove it from the laptop and then install back. It’s possible the connection between the drive and motherboard is loose. Reseating the drive may help. I have a Compaq Presario V3015NR that is about a year old. I am having some weird problems that are leading me to believe that it might be something with the power jack on the Ltop.

I was on my Ltop and all of a sudden the screen freaked out and quickly showed lines all across it and then went black. Not to mention that my Ltop is a vegetable. It will show that the power is on but will not do anything else. It also will do something that I have never had any experience with what so ever. It will be off completely off, and if I touch my reload or refresh button at the top of the Ltop it will magically come back on. The reload/refresh button isn’t really a button it is one of those new static buttons where you just lightly have to touch it.

But anyway, this is all pointing to a power problem if you ask me. Oh, and I should mention that when it comes back on it will be in its vegetable state. No picture, completely black and it will be on with the power lights all lit up but it wont function at all. Nothing, no hard drive no nothing.

The cd/dvd drive will open but that’s it. I was just wondering if I could get some other opinions and ideas. This is all beneficial in fixing a problem like this.

I will appreciate all of your insight Thanks, Luke •. I also forgot to mention that I have done some searching and found that Compaq has an update for the bios. It just so happens that this is suppose to fix some of the problems that are happening here. I just wish that I could have been forewarned about this earlier. I can’t access my bios at the moment and I’m going to guess that some of the others can’t either.

This is a problem. I am trying my hardest to fix this but any help or insight will help.

Thanks Oh I don’t know if I mentioned this or not but I have a V3000 series Laptop. Toan Trung,If you installed another known good compatible hard drive into the laptop but still experience the same issue, apparently there is a problem with the motherboard. I don’t know what else could cause this failure. Probably there is something wrong with the hard drive controller witch is located on the motherboard. If that’s the case, you’ll have to replace the whole motherboard. Just in case, you can try reflashing the BIOS when the hard drive is removed.

Reflash the BIOS, install the hard drive and test the laptop. hi, my daughters compac presario c300 laptop lost power,turned back on it turns on but after a couple of seconds its off again put new battery in at first turned on put battery adaptor in switches itself off, tried again it then lost windows but will only stay on for a few seconds, will not now switch on at all with new battery fitted,charge light flickers with new battery and only with adaptor connected, will only switch on with old battery fitted and with adaptor connected. Cannot re-install windows as it switches itself off before completion, also tried a new adaptor, will not turn at all just using either battery without adaptor connected.would appreciate any suggestion what the problem may be.

Many thanks barry •. valle mentzer, i just got a toshiba satellite L25-S1217. It is used.i ordered a new power adapter for it, plugged it in and there is no reaction.no sounds lights etc. I assume the power adapter is good. If you plug it into the laptop but the laptop is dead (no LED lights at all) there could be two problems: 1.

The power jack is broken and the motherboard is not getting power from the AC adapter. The motherboard is dead. Does it have to sit with ac adapter plugged in to charge before it will work or should it work off the adapter immediately? Normally it has to start working right away, as soon as you plug the AC adapter into the laptop and turn it on.

It should work on AC power with or without the battery installed. This is not a reply but a request for help. I’ve got a Thinkpad T20 IBM. It was only booting in save mode. So I decided to reinstall windows xp.

I’ve been trying to do it and every time I do I always have the sam problem. It reas the windows xp setup disk reinitializes de hard drive with ntf. Then reads the files. Then it stars goes through the process collecting information, dynamic update preparing installation and then it starts Installing windows when this happens it shows in the bottom installing Devices and it starts to fill the cell in the bottom with green until it reaches “Setup will complete in approximately 34 minutes. It always stops at the 34 minutes while installing the devices. Can you please help me with this.

I created 3 diagnostics floppy and even bought a refurbished floppy drive, then took out the cd drive and installed the floppy and ran the diagnostics. Yet, I do not seem to see any problems there. Only it stops the windows installation at the installing devices when it is 34 minutes to complete. I am desperate as I do not know what else to do here. I will appreciate any suggestion. cj2600, Thanks for the response, The laptop does indeed have a power led which lights up with the ac adapter plugged in. My power adapter failed before and no lights were present unlike the current situation so I had kind on ruled that out.

Curiously when a cd (any cs at all) is placed into the dvd drive and the drive also begins to spin up when attempting to start the laptop, it appears to try to read the disk for a while and stays on longer than without the disk in the drive. Wether or not the fan and the drive starts to spin seems to random with the lights all sometimes flicking on then off. I am currently trying to get hold of a new adapter, any other ideas at all? Thanks again! David Surgenor, I don’t think it’s overheating.

Even if the heat sink is completely clogged with dust you should be able to turn on the laptop, at least for a short time. Is it possible the problem lies with the circuit board which the power button is connected to ie. The button cannot send the correct message to come out of standby? If the laptop doesn’t react at all when you press the power button, there could be a problem with the button. But if the laptop turns on (you can hear HDD noise, DVD dive noise, etc) them most likely it’s not related to the button. You can try minimizing the system as much as you can. Remove hard drive, DVD drive, wireless card, modem, one of the memory modules (if you have two), etc Try turning it on again.

If the laptop turns on but will not start (no video on internal or external monitors) probably there is a problem with the motherboard. My T41 does not power up and does not start when I press the Power Button. The battery is charging and it turns from “orange” to “green” light on the battery indicator during and after charging. AC adapter works good also, I have tried using it on my older T23 laptop. I have removed both power source frommy T41, AC adapter and battery.

I put back the battery again to the laptop and then press the power button but still it does not power up, but I noticed that the battery light up but for a very very very short time only. I have done this repeatedly and did get same response onlya short light on the battery indicator and laptop does not power up.

I now remove the battery and use the adaptor instead. Upon inserting the jack at the back of the laptop, a short light on the battery was also observed. I pressed the power button but still the laptop won’t power up. I removed the power adapter and insert again.I still get the same response. The memory is goodi have already tested it to a friend’s laptop and it works fine.

I have tried to re-seat the mem on the T41still no good. What could be the problem?

Could it be the motherboard or CPU? How do I know? Any suggestions?

I got a Fujitsu Siemens Amilo series, I removed the battery and used with AC power only. Accidentally, the cable was unplugged. I tried to turn on again, the power turns on but it not booting and the screen remains black. Yet, i can see that the laptop react (LED lights run twice then off) everytime i turn it on. What is the problem? Please help or does any trick can be done?

My adapter is in poor quanlity like the power will not on unless the cable is extended or I always turns in side by side or up & down till i get the lights on. Thanks Ken •. abdulfattah, my ibm tinkpad laptop is dead when i press power button it gives a small green flash then off. But the battery light is working correctly.

Please help me to manage this problem. Unplug the power adapter and remove the battery. Wait for a couple of minutes, plug in the power adapter and try turning it on again. Make sure the power adapter outputs correct voltage. You can test it with a voltmeter. Minimize the laptop as much as you can.

Remove the battery, hard drive, DVD drive. Try turning it on again. If you still have the same problem, it could be bad motherboard. Alright, my laptop, (i have a HP Pavilian) wont show anything. I turn the power on and the usual lights turn on and everything but there is no screen at all.

I have tried numerous times to restart it and click it on and off and wait for a while before i start it off again but it just wont budge. I am 14 years old and i got my laptop last year for Christmas and i do not want to loose it. I am hopeing you can tell me what to do or links and places i can take it to repair it. Please help me, i dont want to loose her. Thanks, Andres.

4peter.miller, Most likely there is a problem with the system board. But just in case I would suggest reconnecting memory modules. If you have two modules installed, remove them one by one and test the laptop with each module separately. With either just the battery or just the cord when I press the button it lights up, I hear the fan kick on and then back off, the power light stays lit for about 30 seconds then turns off and the laptop gives another quick flash and turns off. This description sounds like a memory problem. My laptop will not boot properly. It sounds like the hard drive and fans start ok and then 10 seconds later it switches off and then it tries to restart itself and it does this repeatedly.

At no tme is there any image on the screen. The only way I can get it to start normally is by holding the on off button to shut down and then continue holding it for 10 seconds. Then I go for a restart and repeatedly push the F2 button.

The laptop then asks me to choose the operating system and then starts normally. Hi cj2600, I was wondering if you could help me please mate. I have a Fujitsu-Siemens Esprimo V5535.

It has suffered from liquid spillage and after careful inspection and a replacement power button, it is a little more alive. When the battery is installed and the ac adapter is plugged in I will get a green “charge light” LED. When I press the Power button, the power on LED lights up for a couple of seconds and then dies.

Obviously the board maybe dead, but I have got it to do more than it could previously and wondered if I can get it to work properly again!? I hope you can get back to me mate. Cheers Chris •.

hi I have an acer aspire 5570z laptop from last two months i m facing starting problem. After power on all LEDs are and fan also start to spin but nothing on display and could not open dvd drive also.

If i keep laptop in power on condition after 30 min or some time one hour there is one sound like something going to attached and laptop start normal way. Sometimes after power on laptop start normally but after 10 min windows is going to be hang even crusher also not moving and i have only one option and that is power off if somebody can suggest what is the wrong with mt laptop REGARDS, KAMLESH •.

Hi, I have a Dell Studio 15 laptop and I was surfing the net while running a scan on the computer. Suddenly I heard a loud noise like something popped and then my computer shut down and since then I am unable to restart it again. The battery is fully powered but when the adapter is plugged in the LED light does not come on. However when I leave the adapter plugged into an electrical outlet which I have changed several times, the light comes on for a few minutes and then comes off again.

When I plug back the adapter into the laptop the light immediately comes off but the laptop is not coming on with the battery alone. What may be wrong? kamlesh, I have an acer aspire 5570z laptop from last two months i m facing starting problem. After power on all LEDs are and fan also start to spin but nothing on display The first think to check will be the RAM module.

Do you have two modules installed in the laptop? Try removing them one by one and starting the laptop with each module separately.

Sometimes after power on laptop start normally but after 10 min windows is going to be hang even crusher also not moving and i have only one option and that is power off This problem also could be caused by a faulty memory module. dave, I have a hp laptop when you swich on it gives 1 long bleep then 2 short bleeps and will not boot up First of all, check the memory. Do you have two memory modules installed into your laptop?

Try removing them one by one. Test the laptop with each memory modules separately.

If the laptop fails with one module but work with the second one, the first module is defective and has to be replaced. If the laptop fails with either memory module, most likely your problem is related to the motherboard or video card. In most laptops the video card is integrated into the motherboard. If it fails, you have to replace the motherboard.

emily, i have a fujitsu laptop L1010 which will not start up and sometimes it starts up and when it gets to the desktop page it hangs. I’ve tried starting it up in safe mode but it still hangs at the desktop page. What should i do?? That could be memory or hard drive related problem. Do you know if your laptop has two memory modules installed? Can you easily access them?

Try removing modules one by one and test the laptop with each module separately. If it works fine with one module but not with the other one, most likely the second memory module is bad and has to be replaced. If you have only one module installed try replacing it with another known good memory. Listen for the hard drive sounds on start up. Does it make any repetitive clicking or grinding noise? If it does, it’s possible the hard drive is failing and has to be replaced. Find out which hard drive brand you have installed, download the hard drive testing utility from the manufacturer’s site and test the drive.

If it fails the test, replace the drive. hi I have a vaio laptop it’s about two years old but I haven’t used it in almost a year. Now I’m trying to turn it on and there is yellow flashing light when it’s plugged inbor on battery. When I press power the normal green and blue lights go on and the hard drive starts spinning but only for about two seconds tops then just shuts down. There I’d nothing on the screen, my charger had been tested, I’ve tried removing the battery and that for a few minutes and it doesn’t work.

If you could tell me what you think is wrong that would be great thanks a lot •. Lukas, Did you have a chance to test your laptop with an external monitor? If the same happens with the external video (intermittent video), you problem could be related to the memory. Do you have two modules installed? Remove them one by one and test the laptop with each one separately.

This way you can find a faulty memory module. If the external video works all the time but the internal screen works only intermittently, take a closer look at the screen when it fails. Is it really black? Can you see a dim image on the screen?

Lukas, I have tried today your tips but still the same, when I try the external display it’s still random boot or not, i have two modules of RAM, so I tryed first module ine first socket – still random, fisrt module in second socket – still randfom, second module in first socket – still random, second module in second socket – still random. If the laptop video fails on both internal and external screens and reseating/swapping memory modules doesn’t help, most likely you have a faulty motherboard. I noticed today so my left hinge i very loose, has it anything to my problem??

I don’t think so. I have an AMILO Li 1705i,now is black dead.Problems has started early with freeze desktop on more than 1h run on AC at end no boot at all, wi-fii led on,power led on (green) fan run at full speed and no image (black screen)no POST screen.batery is ok tested on another AMILO Li AC is ok my friend was testing all of my laptop,HDD is ok,memory is ok an external video does not have image.At warranty ppl say video onboard chip (burned!!!) no chance to fix. What means wi-fii led(green) on on eroors? Hi, I have a Fujitsu Esprimo V5545 and I accidently pulled out the power cord while it was shutting down. It mad a beep sound and shut down. I took it to another rooom and tried to start it up but it seemed to be dead.I unplugged it and removed the battery then held the start button for 30 seconds, then plugged the power back in but to no avail, it still was dead I unplugged it and put the battery back in and it still wouldnt go.

I then plugged the power back in and pressed the power button and the orange charging light came on only, and that is it. Now nothing happens when I power it and press the on button, thanks for any help as my son is going to be very upset ( it is his ). Hi, I just put together a new MSI MS-171F Barebone laptop. Everything came installed except, the HDD,CPU,RAM,LAN and the OS.

All the parts are new,and compatible. I installed everything, put the notebook driver disk in the OD and booted it up. It powers up fine and you can hear the fan spinning.The OD lights up and spins.

It does not post and only has a black screen. I tried reseating the 2x2GB sticks of RAM, nothing. Tried different slots running just one then removing both,nothing.

Removed the HDD,no sound no picture,nothing. Removed the fan and reseated the CPU,nothing. Ran briefly without the fan and the CPU heats up which would seem to indicate that the CPU is good. I even tried hooking up an external monitor still no display or sound. Tried powering down,removing the battery and resetting the CMOS and still nothing. There was no manual or troubleshooting guide with this laptop and I am at a loss as to what to try next.

Brian, Removed the fan and reseated the CPU,nothing. Make sure the CPU is LOCKED in the socket. There should be a screw on the socket which locks/unlocks the CPU. Install the CPU and turn the screw into “Locked” position. In order to start any laptop with video on internal or external monitor you need three major parts: motherboard, CPU and memory. Minimize the laptop as much as you can and leave only three main components. Try it again.

If still nothing, it’s possible one of the parts is bad. Thank you very much for your advice. My acre 6920 just went dead and wouldnt strt upit was getting the power but the hdd light went up fr a second and then dead. I took your simle advice and removed the battery and then switched it on.and to my utter supriseit came to life.i booted in safe mode the device manager showed ‘consumer ir device’ not working properly. I dont know what that means. Maybe it had something to do with acer arcadeas i was playing music on it while making a presentation when the music got stuck on one note and then the laptop froze.so i had to shut it down forcefully. I am grateful as i have been able to save my prsentation now.

Just to know things better.what could have caused it?and how to prevent it from happenning? Thanks very much anyway •. I HAVE THIS MSI MS-171 LAPTOP, ITS A PAIN IN THE ASS. MAKE SURE YOU PUSH IN THE HARD DRIVE TOWARDS IN THE SATA SLOT AT THE SAME WHEN YOU ARE SCREWING IT IN. IF YOUR LEFT CLICK MOUSE BUTTON GETS STUCK IN THE DOWN POSITION REMOVE THE TWO FURTHEST HDD TRAY SCREWS. FOR SOME REASON THE HDD IS AT AN SLIGHT ANGLE SO WHEN YOU PUT THE HDD COVER ON IT PUSHES THE MOBO IN CAUSING THE MOUSE LEFT CLICK TO GET STUCK.

PLAY WITH IT AND YOU SHOULD GET IT RIGHT. I’M JUST CURIOUS HOW TO UPGRADE THE BIOS I FOLLOWED THE WEBSITES INSTRUCTIONS BUT THE BIOS WONT KICK OF THE SOFTWARE IN MY USB. I have a dell inspiron 1420 laptop which is out of warranty and I dont wishh to have renew it.

Around 2 months back it started to have a display problem which was due to the faulty motherboard(UX283) with nvidia 8400 card. I got it replaced and as it was replaced i got indulged in a different problem. Then the system started to get off (not shutdown) during boot only, giving an error code of #M1004 which is an overheating issue, but actually there is not as such any heating. The fan runs normally and the system is cool enough.

It may fail to boot 9 out of 10 times but once the OS get booted then it worked fine without any display problem. But now the problem has changed slightly. Now it seems that the system may remain on for a fixed time say about 25 seconds. The system may get booted to OS or you may enter the BIOS etc within this time but once the period gets over it gets off. I mean the now the system can have power for only those few seconds.

I have got my motherboard, LCD as well as the memories replaced with new spares sent by the company. The motherboard has been replaced thrice. I have also checked the processor, hard disk and heat sink with properly working spares from other laptop of same model. What could be the probable problem? Is there any solution to the problem as with all the major parts working fine independently as i described or the system is irrepairable.

Please suggest me something useful. I have 2 yr old Toshiba A135-S4527.

When I press power the blue light on power button comes on alongwith the small power LED in the front. The fan spins for a while and goes dead. No activity on HDD or DVD. Dark black screen. Any clue what could be wrong? I used it previous night and turned off in normal way. Next evening when tried to switch on the problem was noticed.

Already tried removing memory and HDD, putting on AC power only, removing battery and AC power and keepning aside for few hours. Nothing helped. Thanks in advance for any suggestion. Arun, I have 2 yr old Toshiba A135-S4527.

When I press power the blue light on power button comes on alongwith the small power LED in the front. The fan spins for a while and goes dead. No activity on HDD or DVD. Dark black screen. Any clue what could be wrong? Could be bad memory. Have you tried removing memory modules ONE BY ONE?

Remove memory one piece at a time and test the laptop with each module separately. If it doesn’t help and the laptop fails to boot with either memory module, apparently your problem is related to the motherboard failure. You’ll have to replace the motherboard. Excellent point in here under Situation 2 that solved my immediate problem with my HP dv2410us not turning on.

Problem was: all top row LED lights under the screen turned on and stayed on at power-up. Nothing whatsoever on the screen. Other LED lights were not turning on or flashing (e.g. The error code ones by the Num Lock and Caps Lock. No ‘disk access’ light. Tried but didn’t help: Removed all peripherals, (hard-) rebooted, nothing.

Removed battery, (hard-) rebooted, nothing. Fixed it by: Your battery trick. Removed battery AND the power cord for 5 minutes, reconnected power cord only, did not touch the on/off button, laptop powered up and booted successfully as normal. Oddly enough: when I went for a graceful shutdown, Windows Update (for XP) started “installing update n of 10” saying it would shut down automatically. One wonders remotely if this is unrelated to my boot problem. Now: I go back to trying it with the battery in after a graceful shutdown/reboot or two. Then I go into some further diagnostics after making sure all my important files are off of it.

The tip sounded simple and procedural, but I appreciate you making a point of mentioning the order of the battery/power cord procedure. Saved a lot of time for me as I had gotten out the screwdriver and was ready for some deeper work. Thank you for helping me with my laptop power problem.

I removed the battery for a few minutes and reinstalled. Verdi Prati Handel Pdf To Jpg. The laptop then worked as usual.

I would not have thought of this without your suggestion. By the way, the symptom of my laptop was that I had the battery LED turn On but not the Power LED. This occurs only when the AC adapter is connected otherwise, if the AC adapter is not connecting, no LEDs are ON. With the AC adapter connected, when pressing the Power button to start the laptop, nothing happens.

You may want to include this case in your above “Situation 2”. Thanks again for your help. I have a more complicated situation with my Toshiba Satellite M35X-S109 though. When I press the power button, I can only hear the fan run for several seconds, then usually no other response. Occasionally, the CD/DVD driver light up, at very rare times, even the Windows XP would turn up, it works perfectly fine if I entered the safe mode. However, at normal mode, it would freeze after a while, but recently it won’t freeze, only that when I turned off the computer, it would freeze at “The computer is shutting down” step.

I will have to leave it on next time I turned up successfully. Any ideas what could be the problem? Thank you very much. Gustavo, I was doing a recovery to my windows vista and the power went down before it finished; now when I turn it on it does not boot up or nothing, I tried to start the recovery again but it does not read the CD. It starts the CD but it’s not bootable. Enter the BIOS setup menu and set the optical CD/DVD drive as the first bootable device.

Save settings and exit the BIOS setup menu. Now insert the first recovery disc into the drive and restart the laptop.

It should start from the recovery disc. bill, Hi, i have a dell laptop ( the small one) and i press the power button and a light lights up then turns off. Also nothing happends when i close it and open it. When i hold the power button it lights up quickly on of on off. What should i do?

Maybe the AC adapter is bad and the battery doesn’t have enough charge to start the laptop. Test your laptop with another known good AC adapter. Could be memory related problem. Do you have two memory modules installed? Try removing them one by one.

Test the laptop with only one memory module in place. This way you can find the faulty memory module. Please i have been trying to format my laptop for over 4 days now.If i boot from the cd,it will start installing windows normally until a point where i will get an error complaining that some files cannot be copied and i have bought about 5 different xp cd,s but the worse is the case.Right now if i try to start the pc with the xp cd inside,at the point where am asked to press any key to boot from cd and i dont do that,the next thing i see on the screen is,NTLDR is missing,press Ctrl,Alt. And Delete keys to restart computer, but if i press any key to boot from cd,the system will be formatted but when it gets to copying files it will say,Thefile intelide.sys is corrupted •. my hp dv 9000 has sound every now and then and it won’t start windows vista and windows 7 both fresh installs same problem when it hangs it won’t even boot in safe mode or from disc I have tried every thing from new hard drive,ram,restore,fresh install of vista and windows 7, new cmos battery. After i installed winsows 7 i had sound but lost it when it tried to update and locked up at logo screen. I also did start up repair I have all the right drivers I am sure!

I think it is the mother board but not sure, so I ordered one and I just wanted to know if anyone had any other idea or if you also think this is a mother board. I have an hp dv9000 laptop that started to act up yesterday. It began to get slow, and things would not open. I shutdown, then i turned it back on, but i got an error message, something to th effect of windows is not configured properly, or something about recently installed hardware/software, anyway it said to use some lauch repair thing. It would not do it until 5 or 10 shutdowns later.

When i ran it, it said that it either found nothing, or there was a problem thact could not be fixed. So i shutdown again, then turned it on later and it worked. But again today, after checking email and using the internet for a few minutes, it started to act up- things slowed, would not close/open, it took forever to restart. After restart, i got the same message and was told to use launch repair thing. I have an HP Pavillion dv2000 laptop with Vista and I used it for like a year and one day i used it for an hour and turned it off and in a few hours I turned it on and saw that it would not turn on. There is a light where you plug in the charger to indicate that it is charging properly and it is lit up but in a month I pressed the power button and there is a tiny little light in the left bottom corner that has a picture of a lighting bolt on top which flashed for a second but then it stopped.

Then a few days later the tiny light was lit up the whole time when i plugged in the charger and I thought it was charging so i went to sleep and woke up and saw that the light was not shining anymore and my laptop still wasn’t turning on. So, does any one have any clue what is going on with my laptop or have any suggestions of how to fix it? Hi, I am having problems with my 2006 Gateway laptopI know very little about computers so hopefully you can help me. When I go to turn my laptop on I have all the indicator lights light up, the fan sounds like it is starting to run like normal;then the indicator lights turn off and the fan shuts off; the power button remains on as does the indicator light for the battery as well as the ac power light.

Nothing appears on the screen and all the indicator lights go off. I have taken the battery off let it sit a day, put it back in still nothing. I have taken the battery off plugged in the power ac adapter and still nothing. thao, my MSI notebook would start, but then it gives me options to choose, then it either gets all these weird codes or in turns blue for a second then starts over It’s hard to tell if the problem is software or hardware related without testing the laptop. You can try reinstalling the operating system from scratch. There is a chance the laptop will be working fine after that.

If not, this is a hardware related problem. There is a good chance that it’s either failed hard drive or bad memory (RAM). Run memory test (Memtest86+) and hard drive test (I usually use Hitachi’s drive fitness test). Find out which one is failing. I have a Toshiba X205-S7483 that has stopped working almost entirely. I closed the screen expecting the computer to go to sleep as it usually does; when I returned the next morning the cooling fans were runnnig, but there was no other sign of life. I had to power down the computer by holding the power button.

Now, I turn on the computer (AC or battery) and get the power indication, AC light, and battery light. The hard drive light illuminates for about 3 seconds and goes out, and that is it – no video, nothing.

I then have to hold the power button to get it to turn off. Try removing memory modules one by one. Test the laptop with each module separately.

By the way, I believe if you are using only one module in a Satellite X205, it has to be installed into the outer slot. If you use only one memory module in the slot located closer to the motherboard, the laptop will give you an error message. If you have same problem with either memory module (installed into the outer slot), it’s either bad motherboard or failed video card.

I cannot tell which one is bad. I’ve been having a few problems with my laptop lately and I’m not sure what it is.

It’s been starting to act up by not turning on immediately. After the laptop has been left off for a while, when you turn it on it won’t start up properly. The CD spins and the lights come on but it won’t boot and I can’t get to the bios screen. I though it was a hard drive error so formatted and re-installed windows, but the problem persists. After a while of turning it on and off again, it eventually turns on and runs perfectly. Hi, My sony vaio VGN-FZ11L was repaired for nVidia geforce 8400 MT graphics problem few months ago and perhaps some work was done on the motherboard.

Yesterday, I had connected it with my TV with extended display and then close the lid. I had to do some work again on the laptop so immediately took the lid up but nothing appeared on the screen.

I pressed power, enter button to wake it up but it did not work. I thought it is still in middle of sleep mode.

I put down the lid after some time it shows all the LEDs (HDD, wireless) blinking so I opened the lid again. The screen came in normal way but not responding then I tried to close some programs from task manager, but still it was not responding. I pressed the shut down and then it started it to shut down and started installing updates for my laptop then shut it down coolly. But after that I have tried to boot it many times. Every time power LED gets on but nothing happens.

I can’t hear any sound of fan or hard disk. Screen remains blank.

System does not go for reboot. Might it be related with earlier repair? Geico Defensive Driving Test Online. I hold power button pressed for sometime but it does not restart.

I tried with removing battery, only on battery, only on power. In all situations it shows power LED on (also battery LED when on battery) but nothing happens. I removed RAM (two 1GBs) one by one and tried all possible combinations it remained same even I tried to clean it with pencil eraser (suggested somewhere). I took HDD also out and put it back after gentle cleaning but it remained same. I took all the RAMs and HDD out and tried to on it again it shows only Power LED on as before. I remember that I had installed a registry error checking software suggested by veoh.com.

I don’t know what really happen. When I try to start my old IMB 310ED Thinkpad with the AC Daptor plugged in: 1.

The power lights come on 2. The system starts to boot 3. An initial ticking sound is heard 4. The ticking sound stops 5. The IMB logo and Thinkpad word appears on the screen 6. “BIOS V2.1” appears at the top left corner of the screen 7.

“016000 KB Memory Good” appears on the screen 8. CMOS Battery Bad” 9. “Press F2 Key to enter SETUP or F1 Key to continue” appears on the screen Is the problem with this computer simply that the CMOS Battery needs to be replaced? Thanks for any help you might be able to provide. Hi I have an IBM Thinkpad T30 2367 that a friend of mine gave me.

When he was using it he said a cat pissed on it and it shut down. The unit sat for close to 2 years before he gave it to me so I think the battery is bad. Initially I plugged it in and turned it on and power, bat, etc LED turned on, can hear fan running, but no post or video. Power supply is good and I removed/swapped ram, hdd, dvd etc.

With no change. I took it apart and found the dried residue on the mobo, cleaned the area, and inspected it with a loop. I can see a couple of the tiny ic pins corroded, (but firmly attached to mobo) and fuse F9 looked bad. I tested F9 with dmm and it is open.

So my main question is it worth to replace the fuse and retest, or is it more than likely that something else is burned out and it will blow it again? Any input is appreciated. I have a dell laptop. When i turn it on it kind of boots, then it reboots and says that the computer could not start properly. Then it recommend doing a check. The computer checks for errors and do not find any. Then it gave me five options: to do a system recovery, what I did, but it couldn’t finish also.

Said something about error code(i don’t remember the beginning)x8000ffff.other options ware memory recovery, something more- none of them worked the way they should’ve. Last one was a command prompt- that worked, but I actually do not know what to do with it. The thins I want to know that if this is a software malfunktion that I can fix with a windows disk(7), I dont have it with me yet, so i can not try right now, or is this some hardware error- short circuit maybe? Or is there something wrong with a harddrive? Because if this is about hardware, then my warranty covers it.

I would really appreciate it if you could answer via e-mail as soon as possible. Best regards, Mari-Liis •. hi, wondering if someone can help. My laptop froze and was frozen for quite some time. I tried ctrl alt del and that didn’t do anything.

Eventually i shut it down by the power button. When i started it back up the screen says launch start up repair or start windows normally.

I have tried both of these options and each time it loads to the blue windows background, NOT a solid blue screen. It looks just like it would if you were at the username login but there is nothing on the screen. When it first reaches this screen a small windows box with black background, almost like the command propt window pops up for 1 second, then disappears. The mouse is visible, but is largerin size than normal and nothing happens after that. I’ve shut it down and tried a few times, worried that might effect it more.

I did f10 at startup and i do not see a system restore option, but i am trying to avoid restoring. danielle, There could be a problem with the hard drive. I would definitely try running hard drive test first.

You can use SeaTools from Seagate, it’s a good test. Download this tool, burn it on a CD and boot your laptop from that CD. After that run a long test. What is your laptop? Some laptops have hard drive test utility in the BIOS.

You can enter the BIOS menu and run hard drive test from there. Also, it could be software related problem and running the recovery process will fix the problem (but don’t forget to backup your data first). hi, my dell laptop is not starting, it is dell inspiron1525, i have a problem of shutting down when it is heated up from several days, but now it has restarted because of updating windows option and while restarting it is doing configuring updates and at 0% it takes much time and then without configuring updates it is shutting down itself, i tried safe mode, debugging mode,and also tried diagnostic option, it is shutting down in the middle of testingi in diagnostic mode.,,and i also tried to install new os, it says no hard drive connected. Please send me reply by mail if possible, or otherwise just inform me when u replied Thanks in advance.

I left my laptop on my bed and accidentally covered it with my comforter(which i guess stopped the airflow in and out of it) when i came back it was already dead(it was hot)so now my situation is similar to situation 2.here’s what happens when i press the power button. – LED lights will turn on(except the HDD LED light). – Fan will start spinning. – blank screen I tried replacing the memory module several times but no luck. When i removed the CPU from the motherboard i got a slightly different result when i press the power button. With the CPU attached: power will stay on ( LED lights, FAN will stay on) without the CPU: power will stay on for about 10 seconds, then the laptop will automatically shut down.

So my question is did i fried something? Can you tell if its the motherboard or the CPU? HP Pavilion ze4540US Notebook PC The computer starts with a black background and white writing that give you the option of: safe mode safe mode with networking safe mode with command prompt last know etc. Start windows normally after30 seconds the Windows XP screen comes up for about 2 seconds then a blue screen for it seems like less than a second. Then the above black screen process starts over again and again indefinitely until I manually shut down the PC.

If you go to “last known etc” the above process starts again. If you use any of the “safe modes” a long list of files scrolls on the screen and the process starts again. I replaced the memory modules and the same thing happens. Any help would be appreciated. The same thing happen to my IBM laptop as Ang (Post no. It shows a few options. Cannot boot even in safe mode.

It loads a few files and drivers, then end up in blue screen. Since that blue screen is shown only a few seconds, i cannot read entirely. But it said something like check ur new hardware or driver, bla bla. But i’m sure i didn’t install any driver or hardware recently. I was just copying songs fr my external hdd and leave it for lunch. When came back, i saw that blue screen no matter which mode i use to boot. I can do a clean install, but i need to retrive some data from it.

Any advice or help will be greatly appreciated. Thanks in advance •. hi i have a laptop hp pavilion tx2635ea the problem is: i turn on the laptop the fan is on few seconds nothing on the screen the capslock butom flashing (all lights on)and nothing on the screeni tried to remove the HDD nothing happen too,i remove the RAM too nothing happen and the bios battery and i tried too to remove the battery and replace by other the problem is the same and i try to remove the battery and pluged with the AC power directly nothing happen plz can u help me waiting ur reply and thx alot for ur time •. hi i am having trouble startin gmy laptop compaq windows vista.

First it it slow down while usinng internet then i would reboot worked for a little while then again rebooted it, now i did a total reformat to factory settings now when i start up it says on bottom of screen ”windows files loading then it comes up with start up repair. Then start up repair cant fix something asks ”if you have recently attached a device remove it and restart. I havent attached any thing in months please help me thank you for your time •.

My compaq presario C700 starts but says Windows Error Recovery so i launch start-up repair and it says windows is loading filesthen it goes to a blue screen and does nothing so then i start it up again and this time i choose the option to start windows normally and it says one of the disks needs to be checked for consistency so I let it which takes about 5 minutes then it says to wait while the computer restarts. Then it takes about another 3 or 4 minutes then it goes right back to saying one of the disks needs to be checked for consistency. Once it does all that again it says please wait while your computer restarts. Then we’re right back at square one again.

So this time I “press any key” to stop the repair and it goes to the vista start up screen and says configuring updates: Stage 3 of 3 0% complete – Do Not Turn off your computer. Then it says “Shutting Down” Please help •. I have a Dell Inspiron 1420. It’s about two years old, has Windows Vista and an Intel Pentium Chip (I wanna say Pentium 4). Lately it keeps BSODing and then I have to restart it. Now it just freezes and I have to hard boot it.

Yesterday when I tried that, I restarted like normal and nothing happened. The comp turns on, the start up screen appears and then there is a cursor in the top left corner. I have no idea what could have happened but I have bought an external HD so I can transfer my data (I was planning on doing it soon and now the comp won’t boot). Anyone have any idea what this could be? I am not very tech savvy, so please use the simplest terms possible if you can. Also I don’t know much about disassembling a laptop, so I don’t know exactly what to check. I will tell you I can get into the BIOS and the per start up system tests (the F2 and F12 keys) but after the system tests finish, it freezes again and I have to hard boot.

I’m terrified the hard drive has failed Any help or advice you can offer would be much appreciated. If I can’t figure it out, I plan to call Dell next week and talk to their tech support (I believe the laptop has a 3 year extended warranty).

I would really like to avoid that if all possible though because the last time when my old laptop went out, I had to ship it out to them to get it fixed. It got fixed but it was a pain to do Thanks, TB •. I have a Packard Bell(Easy Note) Lap Top.

Pressing the power on button will begin the boot up as normal but then it will power off directly after or at any time within 10 minutes. When it powers off the LED light also goes out.

I have tried a proven AC power adapter. Cleaned out the heat sink including new paste. Re-sat the RAM all without success.

I guess the motherboard power conection maybe at fault but would like a second opinion does anyone have any ideas or suggestions that may assist me with this problem. judson, i’m having dell laptop. Just now i am instaled one new software after that my latop caught a problem while startup and not able to start.how can i remove that software? Here’s what you can try. Turn on the laptop and press F8 when Dell logo appears on the screen. From the menu select Last Known Good Configuration and press enter.

Does it boot now? If not, you can use same F8 key but select Safe Mode instead. Uninstall software in Safe Mode.

Or you can try using System Restore and revert OS back to the time when it was working properly. I have a Dell Inspiron 1501 laptop. Have been having trouble booting it. I put in Norton virus software and it picked up and fixed 508 things and one Trojan. Still start up problems, sometimes starts fine, other times I have to safe start it from menu – now I am getting Dell on screen lights flashing but screen stays black with just my arrow on it, nothing else.

I have been using adapter with it and have kept battery in which I hear is not good. How can I tell if the battery is the problem?

Was working okay earlier, now I am dead in the water. Yesterday i logged on my computer and everything was normal but than a software i don’t remember installing or maybe it was part of the acer aspire one laptop that i brought, suddenly popped up and saying that i have 17 item found that were types of malware, trojan, or tracking cookie.

Once in awhile later, announcement kept on popping up indicated that external hackers are trying to transfer my data to a dangerous site and they are trying to get connected to the internet to harm my laptop even more. Lots of windows started popping up intensely. I got scared and shut it down while trying to remove the software that was telling me that. I believe the software was called, ” Malware doctors”? Or “protection centre”? The software wouldn’t removed no matter how many times i tried. When i tried to turn on my laptop again.it just stop to the point where the window xp loading screen.

I try to start up in ” safe mode” but it just froze and when i press ” last known good configuration” it just continue to the window xp screen again. I tried alt + f10 but it brings me to the acer recovery management and choosing the recovery options that i want, it said it will restart my computer and it stops at the window xp loading screen again. Can someone tell me what my problem is? Do i really have something infected? How can i fix it? Toshiba Satellite Laptob: Was having issues with Vista.

Blue screen of death. Shut down normally when I started it back up two days later got power led, green bat. NO HARD Drive. Forced shut down, pulled bat. Reset MB (No power supply hold power but.

For 10 Sec.) Still nothing happened. Pulled HD, Power, reset Mem, still nothing let it sit with power 15 min. Hit Power But. It started up normally. Left if pluged in no problems.

Unplug it for a few days same problem all over again.????? Have changed Bat. Pulled apart and checked all connections. Power down for a couple of days same problem, got the LED’s no hard drive, black screen, CPU fan only thing running.

Bat, AC Adaptor, all green. On start up a flash of HD then nothing. Can you help this is my son Laptop he will be taking back to Iraq. Hello, I have an Acer aspire 5741.

Just got it back from Acer as I claimed the warranty on it. The original problem that it wasnt charging and the power led and charging led were blinking. First Acer refused to repair it and asked cash for a replacement of motherboard, though writing letters to their CEO, country manager did the trick and they sent it back to me after repair. Now the problem is, as soon as it came back, I plugged it in so it could charge. But after 5 to 10 minutes the charging led on laptop started blinking. The laptop also didnot boot up.

The power led would come on for a second and woud not turn on. Moreover, there was some strange sound coming from the laptop and the charging led on laptop started blinking again. I turned off the charger, but the power light kept on blinking.

Then I took out the battery and placed it back. It seemed to charge like normal for 10 minutes then the charging led started to blink.

Then after 10 mins it started to charge normally but again after 10 mins or so the charging led started to blink. Another funny thing is when I turn off the charger and reomve the cord from the d/c jack, the charging light keeps on blinking. I tried another charger but same result. Another funny thing is when I turn off the charger and reomve the cord from the d/c jack, the charging light keeps on blinkin.

Hardisk was fine when I sent it to Acer •. James Mills, Power down for a couple of days same problem, got the LED’s no hard drive, black screen, CPU fan only thing running. Bat, AC Adaptor, all green. On start up a flash of HD then nothing. This could be memory related failure.

Try removing memory modules one by one and test the laptop with each memory module separately. It’s possible that one of the modules is going bad. Try installing memory into different slots.

Try different memory-slot combination. The laptop should start properly when bad module is removed. My HP Pavilion dv6700 laptop has been getting worse over time, but now it’s dead!

The battery has been lasting shorter and shorter periods, but still worked on mains power. A few weeks ago, the laptop just switched off. It was pretty warm, so I let it cool and then tried again. It booted for a few minutes before dying again. Over the last few days I have kept trying to get it to boot up, but now when pressing the power on button, all the LEDs light up and then go out – nothing more happens. With the power lead plugged in, the blue power LED lights up, so power is getting to the laptop. It just won’t do anything (with or without the battery plugged in).

Any help gratefully appreciated. Hi,, I have HP PROBOOK 4510S laptop 4GB RAM. Month ago I had an HHD failure (WD 500GB)for no apparent reason, although it is only about 2 years old. I changed the HHD with another WD 500 GB and it work OK. But still I hear some clicking sound from time to time coming out from the hard. Is it normal??

The HDD temperature is between 35-37c and the fan is working well (no heating). NOW my current problem is that some time the pc wont shut down completely (the power button still lights) until I press the power button myself.

Also it happens a lot that the pc does not restart. Is it a hardware or software problem?? I have installed windows 7 more that once and seems ok. Hi I have two laptops which I am currently having trouble with. The first one is a HP pavilion, when I push the power button, it starts up, nothing is visable on the screen and it beeps and then turns itself off and restarts.

If I turn it off and back on again after a few hours it will eventually turn on but it turns itself off if left unattended for a while. My second laptop is a toshiba (not sure which module) it has been working fine but last week it wasnt shut down properly and the lid was just closed. When you push the power button it turns on but stays on the toshiba start up page, it beeps now and again too. I took it into uni a few days ago and he took out the memory etc in the back and replaced them and it seemed to be working ok but now im having the same problems again and it now beeps as thou one of the keys are being held down Any ideas how I can fix both of them???

sytross, I changed the HHD with another WD 500 GB and it work OK. But still I hear some clicking sound from time to time coming out from the hard. Is it normal??

The HDD temperature is between 35-37c and the fan is working well (no heating). Normally you shouldn’t have any clicking sounds from a good working hard drive. Download and run HDTune, test your hard drive for bad sectors and other errors. NOW my current problem is that some time the pc wont shut down completely (the power button still lights) until I press the power button myself. Also it happens a lot that the pc does not restart.

Is it a hardware or software problem?? Hard to tell. Could be either hardware or software. It’s possible that your new drive is not good because your description sounds like a harddrive related problem. Definitely run HDTune.

I would like to ask a question that,after a long time i start that laptop it gives the display everything till booting windows.but when i restarts the laptop there is no display.i usually feel extra heating i my self clean all the dust withtin the heat sing of processor and now the extra heating is solved but the display disturbs,every thing is working my battery have a backup and light is on.but hardly after few minute my display is out.first it hang and then when i restarts then no display.i have to wait for a 24 hour then its backon but after few minutes my display is gone. I have 2 moudule memory i changed one by one but invane.i removed hardisk and dvd as well.still in vain.i found alot of dust within the heat sing after cleaning fan is working fine and air brings out warm air.any suggestion on repairing.i totally open the case each and everyting and clean through tooth brush.everyting is clean but still display problem •. I have a Gateway MT6840 laptop.

My laptop has not been dropped or experienced any liquid damage. One day it just would not turn on. It would not turn on with the battery removed and plugged in with power cord. Occassionally if I attempted to power it on, it would turn on for a few minutes and then shut off. I purchased a new battery and it worked for a little over a day. So then I purchased a new power cord and supply.

The laptop then turned on for a day or so. Now it does not turn on and I don’t know what to check next. When you press the power on, nothing happens. What are the possible problems?

Great page.Lots of useful information. I have one problem with my Aspire 5710. Problems occured few days ago. Battery is long gone so laptop is allways conected to AC charger. A few days ago laptop started to lose power sometimes but i was able to turn it on again.

Yesterday it was only able to turn on for about two seconds and then it would turn off again. I got new AC adapter but the situation but now it doesnt stars at all. I checked AC adapter and i have measured 19V.Laptop is dissasembled.I would like to check dc connector on the laptop but i dont know how. Colud you give me some advice? It is not the ussual dc conector.It looks. Tomislav, I would like to check dc connector on the laptop but i dont know how. Colud you give me some advice?

The DC connector you showed is attached to the power cables which has a white connector. This connector plugged into the motherboard. You can test voltage on this connector. Plug in the AC adapter and test voltage on the white connector. I guess the red wire is “+” and black one “-“. If you get no voltage readings, it’s possible the DC jack (or connector cable) is damaged.

Just buy a new DC jack connector and install it into the laptop instead of the old one. No soldering needed. i have a compaq laptop. And the battery failed five month ago and i use only the AC.

There were many times that light was interupting and it was not starting normaly, but when i pluged it of or when i start it was starting but yesteday, when i press the power light is coming but noting is happening, i have tryied romoving memory and hardisck and sealing them again but noting is happing. There is not special noise that is making.

Just normal sound at start up time. Any one who can help please?? Got stack in here •. John, i tested the AC adapter it’s voltage was as same as written on the adapter but the ampere was below I don’t think you can test amperage while the AC adapter is not loaded. If the voltage is correct, I guess the AC adapter works properly. What do you mean by “laptop does not turn on”?

Do you see any lights when AC adapter plugged in? Do you get any video on the screen at all? If the laptop powers up but has no video on the screen, check the memory first.

Try reseating memory modules. Try removing them one by one. One of the modules could be bad. Melanie, What was wrong with the laptop? Why did you want to fix it in the first place? If the laptop power up and you get the power light but nothing else, this could be motherboard failure, CPU failure or memory failure. I would suspect the memory first.

You can access and backup your files and here’s how: 1. Remove hard drive from the laptop. I believe your Compaq Presario C700 has a SATA hard drive. You can connect your SATA hard drive directly to the PC. I assume you know how to do that. Laptop SATA hard drive uses same type of cables as a regular 3.5″ desktop SATA hard drive. Access your hard drive and backup data.

Alternatively, you can buy an external USB enclosure for SATA hard drives, install laptop hard drive into the enclosure and connect it to any other working computer via USB cable. Access your hard drive and backup data. I have a compaq presario v5000 I was knocked off of the arm couch and the fan works but nothing else does no lights or anything It was on when it got knocked off. I can plug the computer up and the fan cames on. I can push the power button and nothing. I can hold the power button and nothing the fan always runs. I got the disk drive out and the hard drive and one of the memory that I had installed just months before it got knocked off.

I got the HP broadcom 54g MaxPerformance 802.11g out and tried to turn it on and the same only the fan and nothing else. The fan will not shut off, so I am thinking that it is the motherboard.

Maybe it shorted out. I’m I on the right track. I and trying to go to college and raise my 3 kids and really need my computer instead of borrowing. Hi I just replaced the non working motherboard with a brand new not refurbished one. I checked the processorhard driveand the memory on a different machine and they all work.

I also checked the power adapter and it also works. My problem is that when I plug in the power, without touching any buttons, the lights come on and the fan starts but nothing else. The display and the hard drive never power up. Also, the power button and the wifi button light up on the bezel but they do not work.

If I try to hold the power button nothing happens. The only way the lights will go out is if I pull the power from the machine.

Any ideas would be appreciated. Thank you for your time. If it is an HP laptop that will not power ON or remain ON it will quite probably be the CPU pulling away from a distorted MB due to over-heating, it can be easily repaired by having the CPU firmly pushed back into the MB and the legs soldered in place. The laptop suffers from truly poor air flow and cooling (so keep it off any soft surfaces when on), the dust and fibres soon coat the internals with a blanket, enough to cook the CPU and MB, the board distorts enough to lose contact with the CPU, takes roughly a year or so to get to that state depending on how and where you use the laptop. So once a year pay the money to have the insides cleaned out as hoovering will not work. @ Ian, If it is an HP laptop that will not power ON or remain ON it will quite probably be the CPU pulling away from a distorted MB due to over-heating Did you mean to say GPU, not CPU? Yes, it’s a known issue with some HP Pavilion dv2000/dv6000/dv9000 and other HP notebooks.

It can be easily repaired by having the CPU firmly pushed back into the MB and the legs soldered in place. Again, I think you are confusing CPU with GPU (graphics procession unit). Here’s how I was able to fix a few motherboards with the GPU failure: •. Hello, I have an ASUS k70ab laptop.

My laptop had some strange symptoms. It began by deciding not to turn on every once in a while, now it rarely, if ever, turns on. I’ve tried a multitude of things (removing battery, pressing power for 12 seconds, removing cmos and waiting 30 minutes, testing RAM in all different spots, using a RAM from a good laptop which is compatible) Basically, now the cpu fan no longer turns on when the laptop is plugged in. When I hit the power button, it sounds like the HDD starts spinning.

The ‘plugged in’ and ‘charging’ light both come on fine. Hi.I have an acer aspire 5720 purchase it 3 yrs ago.couple of days ago i was watching spartacus season 1 13 episode with battery, charger in and after watching all the episode for around 10hrs apprx.

I turned off the laptop and went to sleep. When i woke up i tried to turn on the laptop it didnt responded.nothing happen.first i thought battery need to be charged and plugged the charger but the green light lights showing that the battery is full.then i removed the battery and but still couldnt get the laptop on.Later on i took it to the repair shop few hrs later there it was working fine. I came bak home used laptop for couple of hrs and left home.At night i again tried to turn it on the same problem occured it didnt started neighter with batery nor with charger.then put it in refrigerator for 15min and it start working fine.similarly the next day same problem occured and i tried the same solution puting the laptop in frezer.Guys what would be the reason? Is it the motherboard, battery or what?

I have a problem with my laptop (HP). I don’t want to bother my dad to bring it to the repair shop.

You see, my laptop has this kind of dual desktops( if that’s what you call it), Windows and the other one is HP, where it says *splashtop* near the power-off button. The HP desktop starts first when I turn on my laptop. I like the Windows better so I click the *Start Windows* beside the Power Off button, but after the Windows XP logo (the one with the loading thingy below it) finishes, nothing happens, the monitor just stay black. Is there any manual way to fix this? I don’t know many about laptops and it’s devices •.

hi i have a toshiba laptop but when i turn it on it says “windows was unable to start becuase the following file was missing or corrupt: windows/system32/config/system ” i was told i would need the starup cd however i dont have the cd and my laptop doesnt accept cd’s is there a way i could download it on a usb flash drive and reboot it that way also i have tried f8 none of the options work and i also tried f2 setup but i dont know the administrator password because it wasnt setup by me help!! Many thanks •. Hi I’m having a problem with my laptop. I think it’s situation 2 but I have had a number of problems with the laptop before the screen disappeared.

I get the blue screen error 2. My screen shakes. My battery is fine when its not plugged but when it is plugged in to my Win7 I get an icon with a red X on battery icon (this can be fixed but just pointing out an issue) 4. Before the screen disappeared on start up after hard reboot. I was using the computer normally and randomly I got funny colours and lines running across the screen and the mouse also wouldn’t respond.

After that I did a hard reboot and now I get the black screen on start up before the windows logo can even appear. I can hear the fan if that helps.

To be honest I think it maybe a cause of me updating old or outdated drivers on the laptop:/ If it is situation 2 then I’ll get that addressed but still if anyone can point out what the problem maybe I’d be grateful.