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Fan on my fan is on constantly at full speed

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  • toakman Oct 13, 2008

    same problem. has been happening off and on for the past year, but now it happens more times than not. I don't think it is a heat problem, it happens as soon as I hit the power button. Sometimes it stays at full speed the whole time the computer is on, sometimes it slows then races like crazy again. Every once in a while it will work normally. I tried to start it in safe mode, but the problem still happens. It just races so crazy like a jet taking off. It still happens even if the cover is off of the computer. any help would be greatly appreciated. I have looked all over online and can't find any help.

  • kene_kj Mar 06, 2009

    Same problem since warranty replaced the motherboard on my T3830. In my case either the fan broke in shipment or the motherboard is bad and sends high voltage. Waiting on service to make a recommendation.

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Check your heatsink. It may be clogged. Use an application called Speedfan to monitor temps and see if that helps it go down.

Posted on Jan 22, 2009

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The CPU fan on the GX280 is a variable speed fan. It only runs as fast as necessary to keep the CPU cool. But the fan also has an rpm sensor built in that regulates it at 3000 rpm. If the sensor is going bad, it senses its running slower than 3000 rpm when its actually running faster and continues to speed up until its wide open. Thus the 'jet engine' sound. Replace the fan and that should do it. If by chance it doesn't, it gets more serious and likely a motherboard problem.

Posted on Dec 12, 2008

  • dulo_naseer Jan 30, 2011

    there is a problem in the processor clamp, it does not hold a pin-less processor firmly onto the ports, so heat is produced more and the processing capability of the processor is also affected,,,, I am thinking of making the fan pressing clamp a bit tighter by using some wire or thread as wire may melt/expand.....

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