Question about Intel D915GAG Socket 775 Motherboard - 915G Chipset - Onboard Audio, Video, Lan - MicroATX

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Cpu fan heatsink spinning at abnormal top speed

My computer has been working fine for more than 2 years. Suddenly my cpu fan started going really fast, like even when no memory is being used. It just keeps on spinning really fast. I opened the case and checked for dust and used air compressed can to clean up an dust on my mobo or the heatsink. When its really hot and humid( I live in ottawa, Canada) the speed of cpu fan keeps on increasing until it once reached 2900 rpm and i just shut off the computer. One thing i noticed that one of the sensors named "Remote" is showing 98-100 C. i use speedfan software. It could be because of that but i am not sure. Would changin my fan solve the problem? if yes where do i buy it? thx a lot for your help!
Intel celeron 3.06 Ghz
250 GB
1 Gb ram
ati radeon 200 xpress

i have only one air suply fan at the back and the heatsink which is causing noise problems. Everything else works fine, akk the programs inside. display problem

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i think your PC must be going off after some mins or half hour ...

if this is true then this is due to the Video adapter IC (integrated circuit) failure ...
this happens if the video adapter IC is getting over heated on the motherboard ....

so you need to replace that video adapter IC then everything will go on fine ....

you need to contact the motherboard technician and get the video adapter IC replaced ......

if the heat sink is only making noise then remove the processor with the heat sink and check for the obstacles if there are any obstacles then clean it and refit the processor then i think you will not get this noise again .....
before removing just have a check is that the heat sink making noise or some other device (it may be hard disk too ) so it is better to have the check before removing processor...
do it if you are good at removing it otherwise no way you must and should contact the technician only ....

i think it s easy you can do it ...

any doubts you can reply me
i am always here to assist you
thank you
rate my solution ...

Posted on Jul 16, 2008

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SOURCE: Cpu fan heatsink spinning at abnormal top speed

I'd change the fan. It could be the thermostat is acting up.

Posted on Jun 11, 2008

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