Aspire desktop fan not working

Hi all, 
My desktop developed a problem after the last Windows 10 update, where the CPU fan would rev to high then fall to zero every 15 seconds or so. Before that, it had never been a problem. I tried to adjust this with speedfan and didn't have much luck, but a few days later it started working normally again, or so I thought. For the last week though it hasn't come on at all, not even the usual rev-up when you power on. Opened the case and the fan and heatsink all look clean and the fan spins easily with a finger. Any clue how to test what the actual problem is? 

FAQ & Answers

  • tttttttttt Member Posts: 561 Seasoned Specialist
    @SMDS
    If you think the W10 update caused the CPU fan problem, how about revert back to the date prior to the update?

    If problem persist after the roll back, it may be the fan itself. Anyway, try unplug the fan connector, clean it and plug back in and see.
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