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Unexpected shutdown Computer unexpectedly shuts down. It happens most often when there is a lot of disk access. Is it overheating? The fan runs, but do I need to replace the fan and heatsink?

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How long since you cleaned , ck fan for cabinet and carefully remove processor fan clean fan and take a small soft brush to sinc fins while you vac or blow a can of pressurized air until you sure clean reassemble try again could be heat you will know more when you see how much dirt is inside

Posted on Dec 23, 2008

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1 Answer

Computer shuts down


Make sure Windows Update is turned on. For Windows 7, Vista, and Windows 8 there are Updates that resolve some hardware glitches such as the one you are experiencing.

Apr 03, 2014 | Dell (6F858) Cooling Fan

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Unexpected shutdown with my acer laptop


if it keeps shutting down/ CRASHING and then it goes to a blue screen leave it for about 30 mins and if it does it again get your RAM upgraded from whatever GB it currently is to about 4, 5 or 6 GB!!

Aug 05, 2013 | Acer Aspire 4736Z 4736G 4738ZG 4733Z...

2 Answers

My Dell Inspiron 15R fan is not working....the laptop gets overheated due to this & shuts down after 15-20 minutes.The laptop has exceeded its warranty period.I had bought the laptop in May 2010.


When the CPU overheats then it will shutdown (i.e. thermal overload) and won't boot up again until it has cooled down.If this is the problem is not fixed then the CPU will eventually fail.
A faulty fan causes this problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged withdust the remove the dust and make sure the vents are clear and dust free. Use acan of compressed air to do this.

May 28, 2011 | Dell (6F858) Cooling Fan

1 Answer

How can i tell if the fan on my vaio CS31S isnt working properly? It seems to speed up and down and the laptop shuts down? Is it te fan or could there be another reason for this shutdown? :-)


Try blowing out any dust from around the fan with compressed air. If the fan is turning on and off a lot, this could be normal, depending on your processor, but if the system just shuts down fully and randomly, it would be a heat issue. The CPU is overheating and the failsafe mechanism is to instantly shut your computer down. The only way to avoid this is to raise the CPU shutdown temp in the BIOS settings, or if you can access the CPU, remove it and apply new, quality thermal grease. Also, ensure the fan is operating correctly during use and dont block any air intake or exhaust ports.

Mar 08, 2011 | Sony CPU FAN CPU Fan

2 Answers

Laptop shuts OFF on it's own


Laptop fans DO NOT run constantly. They only turn on when booted up and once the laptop has reached a certain temperature. You should probably time how long for a shutdown, record your results. Let laptop cool for 10-15 between attempts. If it takes approximately same amount of time to shutdown between attempts it is very possible its overheating.
Other things like Viruses, software conflicts, and Harddrive problems can also be the culprit. take a look at the administrator event logs for any clue there. Event logs are in control panel under Administrator Tools.

I don't recommend trying to fix any overheating issue you may have, as that would entaiil disassembling your laptop. Unless you have a bit of experience in this, I would take it to a good repair shop.

Hope this helps you some. If so please rate my solution.

May 10, 2009 | Dell (6F858) Cooling Fan

2 Answers

My Acer Aspire 5000 is overheating and shutting down but the fan seems to be working. Besides telling me to take it to a computer repair shop,any suggestions?


If you put your hand up to the exhaust port of the fan you should feel a lot of air blowing, if not you need to clean off the part of the heatsink that the fan blows into, its blocked by dust.

Jan 12, 2009 | Computer System Cooling

1 Answer

Mitac 8640 Laptop Processor Cooling Fan


Hi the prob is not with the fan all you need to do is take the cover where the fan is and clean it with a paint brush so all the dust is gone.

Jan 08, 2009 | Computer System Cooling

2 Answers

Toshiba Satelite M10 cooling system not working


If you DO NOT hear the fan running, have it looked at by a professional. Your fan may have died. If you can hear the fan running, blow out the fan exhaust port in the opposite direction of normal air flow. Especially on lap tops, the heat sink cooling fins become completely clogged with dust. When this happens the processor overheats causing it to run slow and eventually shuts itself down to keep from going super nova. You should blow it out at least once or twice a year. Also, if you use your laptop on the couch or in bed, place it on a hard surface like a cutting board or something similar that will allow air to flow underneath the computer. This will also help prevent dust from the cushions or blankets and such from clogging the cooling fins on the heat sink faster than usual. Remember blow it out in the opposite direction of normal air flow. You want to blow the dust out the same passage it came in through.

Sep 15, 2008 | Toshiba Computer System Cooling

1 Answer

Lenovo laptop shutdown suddenly after working for a while


Hi James, replace the fan or If it's still under warranty have it serviced. Suggest you stop turning it on until the fan is replaced. It could be the fan cooling the CPU. You don't want it to fry.
The shut down process is normal when over heating is detected by the system.

lenovo link. http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-63446

Good luck!
Mike

Mar 24, 2008 | Computer System Cooling

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