Question about PC Chips P21G (881038000916) Motherboard

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Cpu fan still running even the system was shutdown

I shutdown the computer with the normal way "click Start>Shut Down..
when all the system was shutdown only the cpu fan still running..
help me..

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Unplug your computer from the wall socket. Then the only power it will have is the battery that keeps the CMOS information. There will not be enough power for anything to run.


Don't forget to rate this solution.

Posted on Jan 19, 2009

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ACER ASPIRE X1200 Unexpected Shutdown


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Maybe you have a virus or infection that is shutting you down if it is not running hot and you are allowed to work on the computer for a while before it shuts down. Boot the System in Safe Mode and see if it shuts down.

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The CPU fan may be running too slow. When the PC system shuts down it’s saving you from hurting the system. You did not list the model number of you're system. Check you're system & clean the mentioned parts. Use canned air & a dry clean small paint brush to help remove possible dust buildup blow the dust away with the canned air.

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You must have the CPU fan plugged into the CPU fan power connector or the system can not monitor the fans speed. Your PC will shut down & give you that message. (The fan must be connected to the correct power plug).
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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

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