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PC won't boot. PSU suspected

Discussion in 'AMD Overclocking' started by Bill Stock, May 6, 2008.

  1. Bill Stock

    Bill Stock Guest

    I put a rebuilt PC back in service before I went on vacation, but came back
    to a non booting PC. It makes a thunking/clicking noise when first turned
    on and freezes about half way through the boot screen. It makes the normal
    single beep when booting. I was considering buying one of those PSU testers,
    but since I can get into the BIOS I decided to check out the MB readings.
    They are 1.26, 3.26, 4.84 and 11.89. The 5V seems a little low, but I don't
    know how accurate these MB readings are and I doubt 3% is enough to matter.
    But it's not telling me how many amps are being supplied or how clean the
    power is. Everything in the BIOS looks OK (time, date drives, CPU, etc). I
    pulled the boot drive and put it in another PC and it checks out OK.

    Any thoughts, PSU, Video, BIOS?

    MB is an A8N SLI Premium.
    Bill Stock, May 6, 2008
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  2. Bill Stock

    Ed Light Guest

    Ed Light, May 6, 2008
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  3. Bill Stock

    Bill Stock Guest

    Yeah, there's a good breeze coming out of the PSU. It's a Seasonic less than
    two years old.

    I removed all the cards and disconnected everything except the boot drive,
    but it still freezes midway through the boot screen. I guess I'll try
    another video card next and try to find some different RAM. I suppose it
    could be the BIOS, but I'm not getting checksum errors and I can navigate
    all the screens fine. I'll likely pull the board too, in the event it's a
    short in the case somewhere.
    Bill Stock, May 7, 2008
  4. Bill Stock

    Bill Stock Guest

    Turned out to be bad memory. Pulled one stick and the PC boots right up.
    Replacing the good stick with the bad stick and windows crashes with
    corrupt files. So I'm pretrty sure it's the memory and not the board.
    Bill Stock, May 7, 2008
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