New PSU, shuts off
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Thread: New PSU, shuts off

  1. September 15th, 2014, 12:40 AM #1
    NEM1S1S
    NEM1S1S is offline Virtual PC Specialist!!!
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    New PSU, shuts off

    AcerPower SK50, replaced a failed PSU (SHAW EVO 775Max) with a new PSU (SHAW EVO 975Max). Booted into Windows 7 fine. Shut down, removed the CPU heatsink/fan to removed the dust, replaced into unit. Kept bluescreening on 'C000021A fatal system error'. Went through the usual troubleshooting;

    Reseated Graphics card
    Reseated Memory
    Reseated cables in all devices
    Tried Last Known Good Configuration/Safe Mode/etc
    Booting with Hiren's Boot CD to Mini Windows XP, just shut down before getting into the GUI
    Tried to do a repair install with Windows 7 USB, just shuts down when "Loading files" appears
    Clear CMOS

    Strange.
    Last edited by NEM1S1S; September 15th, 2014 at 12:48 AM.
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  2. September 15th, 2014, 03:54 AM #2
    Steve R Jones's Avatar
    Steve R Jones
    Steve R Jones is offline Administrator
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    Did you reapply the thermal paste after you removed the heatsink?
    If you're happy and you know it......it's your meds.
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  3. September 15th, 2014, 05:42 AM #3
    NEM1S1S
    NEM1S1S is offline Virtual PC Specialist!!!
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    No I didn't Steve.
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  4. September 15th, 2014, 06:36 AM #4
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    Steve R Jones
    Steve R Jones is offline Administrator
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    A cpu with no/poor thermal paste will shut down in under 20 seconds...
    If you're happy and you know it......it's your meds.
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