Re applied thermal paste, now pc wont boot up and makes high pitch


  1. Huwey
    Posts : 57
    Windows 7 Ultimate (build 7600) 32-bit
       New #1

    Re applied thermal paste, now pc wont boot up and makes high pitch


    So I wiped my cpu with cleaning alcohol, dried, wiped it with a very thin layer of thermal paste(silver one), then put everything back together, not the fan wont even spin, but it twitches, and when power runs through pc, I hear a very high pitch noise. What is wrong? Please help.
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  3. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #2

    Well we can't hear or see your computer so this will be my guess; the cooling fan on the CPU cooler. Check to make sure it's plugged in properly and that it spins freely with nothing hitting it.Check all other fans the same.
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  4. Huwey
    Posts : 57
    Windows 7 Ultimate (build 7600) 32-bit
    Thread Starter
       New #3

    Yes its plugged in and spins with my finger. What else could it be?
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