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Overheating? Satellite A105-S2021

I am not very good at diagnosing what the problem is but my computer turns off by itself randomly. It usually happens when i've been on the computer for a while (2-3 hrs?). I looked up the problem and I found that it might be because it is overheating. I am not sure though. Any thoughts or solutions?

Posted by troubledone on

  • Anonymous Dec 15, 2007

    i was on my lap top playing a game of spades then all of a sudden it just cutt off on me, when i picked it up i noticed it was hotter than ever. Then i tried to cut it back on and it wouldn't but i let it sit for awhile to cool off then it cut back on

  • Rondol Dec 29, 2007

    My Toshiba Satelite A135-S2386 turns off by itself too. When I find it turned off, the bottom of the computer is very hot, the fan is not going and the green light by the on-off switch is a blinking yellow. I then have to hold down the on-off switch until the computer turns off. I wait a few seconds and turn it back on. The fan goes then and the computer cools to normal.

    I do not see any dust on the fan intake or exhaust. Any ideas?

    Ron D.



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Hi, We see alot of overheating problems on Toshiba laptops. The problem is there is a build up of dust and hair inside the laptop over the cooling vents. What you can do is buy a can of compressed air and squirt it in bursts thru the vents and hoefully clear the dust. If you are confident enough with a screwdriver, you can do a better job if you take off the bottom panel and clean the dust off yourself. This picture illustrates what Im talking about:

Posted on Aug 21, 2007


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Toshiba A105 problems

Step 1:
It can be very frustrating when you encounter a problem with your Toshiba Satellite laptop computer. Unfortunately, these specific Toshiba laptop models have a tendency to run into certain problems because of their design. On the plus side, computer technicians have pinpointed several of these issues, and they have troubleshooting information readily available to assist Toshiba Satellite owners. These are some common issues and solutions.

Overheating If the laptop shuts down randomly whenever you attempt to run different programs then it is usually happening due to an overheated laptop. This can occur because your heat sink is filled with dust, which affects the operation of the cooling fan. The heat leaving the processor gets trapped in your laptop resulting in overheating and shuts down. Purchase compressed air in a can and blow it either into the air intakes located on the bottom of the laptop or you can remove the keyboard to get to the cooling fan and blow the dust off. If this doesn't remedy the problem, you may need to replace your cooling fan; you should hear it start working when you boot up your laptop. b> Defective Memory This problem is typically recognized upon start-up. If you see strange characters or lines of dots on your screen, this suggests defective on-board memory. To test for this problem you need to remove external RAM modules and download the Memtest 86+ utility and burn it to a disc (see Link Below). You can then run the utility from the disc after restarting your computer. Unfortunately, if this is the problem you will have to replace the motherboard. b> Power Jack Problem Power jacks on these laptops have a known history of losing contact between the positive pin and the motherboard. You can diagnose this problem if you notice your laptop using battery power when the power adapter is still plugged in. To fix this problem you have to disassemble the laptop and take out the motherboard. You then have to solder the power jack (this should only be performed by those with laptop repair experience.) b> Charging the Battery If your laptop will not turn on when starting on battery power or the battery charge LED light doesn't light up when you plug it into the power outlet, the battery isn't properly charging. For Toshiba Satellites that only operate when they are plugged in, you need to download the latest BIOS for your Satellite model from the Toshiba website. Toshiba recommends you should use version 1.30 or newer (see Link Below).

My computer shuts down while im playing a game

This laptop was not designed to be a games machine, so the stress on the CPU will be quite high, generating a lot of heat. If the fan is unable to dissipate the heat from the cpu, but more importantly from the graphics chip, the laptop will shut down to stop damage.

What I suggest is that you open up the laptop and clean the area around the heatsink and fan and inlet grille, even a mild build up of dust and fluff will cause the temperature of the laptop to rise 10 or more degrees. Eventually overheating will cause the graphics chip to unsolder.

This link is a good guide

Shuts down not allowing Windows XP to start

If the Computer shuts down automatically, then the issue might usually be due to the overheating issues.
The overheating issues develop, if the Cooling Fan in the Computer is malfunctioning.
The Processors are designed to shut down automatically, if there are any overheating issues.
For such issues, it would be better to get the Unit examined at the Service Center.
Replacing the Cooling Fan should resolve the issue.

Hope this helps.

I can not find a wireless driver for my computer

try here

Increasing lines...

if you think it is overheat, I could say yes since I don't see the stuff.. and the screen lines is indicating that your VGA is affected or maybe only the have done some simple observation, and I guess to test it you have to format your computer first, see..if the problem occur again, then you have to contact the support center for hardware assistance

Toshiba satellite a105-s1014

try the computer with an external monitor, if it works correctly then it's the monitor that has broke and you need it replaced.
otherwise, if it does the same things on the external monitor...
I would check in order:
1)RAM memory
if the problem is only after windows boot, try changing the video driver, the problem might be caused by overheating video Chip, but that should freeze the system too...try also to remove the dust from all the heatsinks with canned air...

Continuous freezing

Firstly run a memory test. Memtest is one of the good ones around and is free to boot. You can download it HERE

Next check your anti virus is up to date and there are no virii on your system. Some will lock down your computer, but it's rare. They are more effective if the computer remains online so they can achieve whatever it they want.

Heat could be the problem. It dosnt mean it has to be your CPU over heating, it could just as easily be your video card. Check Toshiba's website and see if they have a temperature monitor for your laptop. Most have them these days as a small program that runs in the background.

See what the memtest reports back and post back the results.

Toshiba a105-s4344

In both cases it sounds like it could be a graphics card problem. You could try to find the latest driver updates for your graphics card by searching the internet for the most suitable driver & / or updates. (When software is automatically (Microsoft/Windows/etc) updated from the internet, it may be of versions that are no longer compatible to you Hardware drivers)

Overheating could also cause the problem if you have an older Laptop, with the latest software.

Toshiba Satellite A105-S2141 Lockup

Have you checked the heat of CPU? It might be cause of CPU overheating.
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