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CPU fan not spinning/recognized

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Last response: in CPUs
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March 13, 2011 11:10:01 PM

a few days ago, i noticed my cpu was overheating, turns out the fan was running slow (500-600rpm instead of the usual ~1300). opened the case and cleaned a layer of dust from the fan/behind it, and now it doesn't spin at all - bios shows 'n/a' and speedfan shows 0 rpm.

the other fans are working fine, and the fan seems to try and spin during startup - it turns about 1cm and stops a few times

cpu's an amd athlon x2 240, cooler's an arctic freezer 64 pro, anyone know what'd fix it?
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March 14, 2011 1:22:13 AM

IMO you should take out the CPU, clean the thermal paste, apply some new one (say, Arctic Silver 5), clean the HS and try again.
March 14, 2011 9:43:11 PM

If you had to "clean a layer of dust" get a vacuum and go clean your computer... all of it... a lot..... repeatedly.....
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