Question about Toshiba Satellite A105 Notebook

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Either fan is not working or computer is overheating and shutting

Down. How do I open the back to check on this or replace the fan? Don't laugh at my question!! I'm gray haired and not very computer savvy! Do I really have to take out all those screws? Help Please

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The fan is located under a cover on the bottom of the laptop. Undo a few screws and remove the cover

Posted on Dec 21, 2008

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1 Answer

How do you stop a laptop from shutting down?


When the overheating issue is fixed, the laptop will reset. Did you clean the radiator? Is the fan running?

Oct 09, 2014 | Computers & Internet

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When I plug the unit into power, the CPU fan runs very fast but no boot, and then when I press power on the fan slows down and the PC boots normally. It shuts down in about 30 minutes with no sign of...


Sounds like you are overheating. One way to tell if it's overheating is you say it will run for about 30 minutes then shuts down. When it shuts down try rebooting to see if the boots successfully. If it fails to boot successfully right after it shut down then you are probably overheating. If you wait awhile to let it cool down for 30 minutes or so and if you reboot and it does it successfully you definitely have a overheating problem. If I remember correctly all those compaq sr series have loud and fast running fans. Computers overheat because of three reasons for the most part: 1) A fan has stopped working. 2) The Thermal Paste on the CPU and Heat Sink has dried up or is not thick enough to keep the unit cool. 3) Dust has clogged the fan vents and inside the computer. Fortunately for you desktops don't have to be completely disassembled like laptops to get to the fan, CPU and heatsink. Just pop the case and you'll see the components attached to the motherboard

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My computer shut off by itself even though the battery was charged and the battery light kept blinking even after my computer was off. computer seems hotter than usual on bottom as well


It is probably shutting down to prevent thermal damage dut to overheating. Check that the fan is working. Even if it is, if the vents are clogged with dust the machine will not be able to cool properly. The only real remedy is to open the case, clean all the vents and fan, remove the heatsink, clean off old thermal paste and apply new paste before replacing the heatsink and putting back together.

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Computer shuts off at random


It sounds like it's overheating, check your fans make sure all are working, if your fans are all working then your power supply is overheating and should be replaced. If your system is a laptop the battery can overheat also and shut the system down. So you can have different issues dependent on laptop to desktop.

Feb 03, 2012 | Gateway Computers & Internet

1 Answer

Computer shuts down on its own


Most likely when a computer shuts down on its own it is because the computer processor or power supply is either overheating or is under powered.
Feel with your hand around the computer case and back of the power supply (has circular fan usually/ on off switch/ and a plug goes into it)
If it is very hot you will have found your answer.
Did you just install or upgrade a processor? If so you may need to check to make sure that there is thermal compound (artic silver, etc) between the processor and heat sync. This can cause overheating and sudden shut downs. If not move on
Is your computer in a small enclosed area? Try moving it to an area with more area for ventallation and cooling.
Do you have adequate cooling/fans? are they working? if not check power cables and may need to replace the fans or install more. You can buy and install case fans pretty easily
DUST. Are the fans and imputs dirty? Keeping them clean will keep the computer running cooler and help lower temperature and avoid shut downs. If your fans/imputs are dirty remove dust by using a can of compressed air, a vacuum made specifically for pc/electronics. or you may wipe them down with rubbing alcohol and a dust free cloth.
This should help Anthony

Jan 18, 2011 | Dell Inspiron 530 Desktop Computer

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Fan works randomly....when it's not working plug


Hi, If the computer is hot near the electrical plug in the back of the computer then the power supply needs to be replaced. This will also cause overheating problems if the fan does not exhaust enough air. You should not run the computer in this condition because the power supply can short out and take other components with it. Also there is a risk that it will burn up. Power supplies are very inexpensive and can be changed by anyone with basic computer repair knowledge. Hank

Jul 26, 2010 | eMachines T5212 PC Desktop

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Computer is a Lenovo TC M52 P4 / 3.2 - I have added a sound card, a PCI express Geforce graphics card and a NIC card. The problem seems to be overheating as it only shuts down like this during the summer...


The case fan should start running as soon as you turn on the computer. I would replace the fan with a higher capacity (CFM). If you have a case that can take 2 case fans, I would install the send fan. Also with the case off, check that the CPU cooler fan is functioning. With the quick shut off, I would suspect that the CPU cooler fan is not functioning. I could be impeded by dust. Vacuum and blow out any dust on the motherboard, fans and battery fan while you have the case off.
This should aleviate the shutoff problem due to overheating.
Let me know if this solves the problem.
Please rate this solutution. Thanks.

Jun 23, 2010 | Lenovo ThinkCentre M52 8212 - Pentium D...

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In my desktop every 20 min my desktop shutdown but why. can u give me the solution


Might be problem with Processor cooling fan and heat sink.. check this section properly..

May 31, 2010 | Packard Bell (190169) Power Supply

2 Answers

Laptop keeps shutting off by itself


When you encounter about this issue this is overheating problem maybe the CPU fan is not spinning and faulty already, you need to check the CPU fan and replace a new one.

Computers may not be smarter than people, but if they’re designed properly, they will shut themselves down before overheating to the extent that they do themselves damage. If the smart person keeps turning the notebook back on and figures out a way to foil the protection, the laptop is probably doomed.

Once a laptop shuts down for thermal event protection, it may refuse to power back up for a fixed period of time, five or ten minutes, or it may begin to boot and shut down immediately as soon as it boots to the point that it can figure out that its too hot.

The over-temperature protection is generally a BIOS rather than an operating system function, so one sign of an overheated laptop is one that shuts itself down while you’re using it and then refuses to boot as far as the operating system unless you leave it alone for an hour or so to cool down.

Unless you’ve been working in a very unfriendly environment, high temperatures, direct sunlight, etc, you should take even a single overheating shutdown as a warning to back up your data at the first opportunity and to give the cooling system a serious cleaning.

Oct 08, 2009 | Gateway (60.44K08.001) Laptop Heatsink

1 Answer

CPU fan not running?


If the fan isn't running, the computer probably shut itself down because it overheated. Check to make sure the cable going from the fan to the motherboard is securely plugged in. If it is and the fan still doesn't run, you have a faulty fan and need to replace it before you start up your computer again. It's not good to run a computer that hot.
Please rate, thanks!

Mar 18, 2009 | Computers & Internet

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