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Thread: pc shutting down




  1. #1
    Join Date
    Mar 2007
    Location
    clacton on sea, essex
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    Unhappy pc shutting down

    hi all, i am new to this forum and need some help from someone, my pc is an asus a7v8x-mx, 1.25 gigs pc3200 memory, amd athon 2500 (barton core) was running at 166 fsb (333 as athon double fsb). suddenly pc shut down now i can only run it at 100 fsb (200). one of the problems is the -12 v only shows as 0.8v. could this be a psu or is my mb shot. any help would be appreciated

  2. #2
    Join Date
    Nov 2001
    Location
    Texas, USA
    Posts
    4,825

    Default Re: pc shutting down

    The first thing to try is to restore the factory default settings on the mainboard. This should force an auto-detect of the processor and you can go from there. If that doesn't take care of the problems, then we can start troubleshooting other areas.
    Old age and treachery will overcome youth and skill
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  3. #3
    Join Date
    Nov 2003
    Location
    Minnesota, United States
    Posts
    4,543

    Default Re: pc shutting down

    Also, list your power supply and video card. Can't be pointing to possible hardware problems if we don't know what the hardware is.

  4. #4
    Join Date
    Mar 2007
    Location
    clacton on sea, essex
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    Unhappy Re: pc shutting down

    hi, thanks for replies so far.
    psu is 350 watt from fsp group inc (forton/source)
    video card is a radeon 9250 agp 8x 128mb, pc will only run at 100fsb instead of 166 fsb.
    voltages are
    cpu core 1.71v,
    cpu aux 0.02v,
    +3.3v = 3.30v,
    +5v = 4.81v,
    +12 = 11.31v,
    -12 = 0.80v
    +5 v standby = 4.97v
    vbat battery = 3.18v
    these voltage as record by aida32 software.
    from the above i don't think some of the reading are good, but then how is my pc running in windows at 100 fsb but will not run at 133 or 166 fsb

  5. #5
    Join Date
    Mar 2007
    Location
    clacton on sea, essex
    Posts
    3

    Smile Re: pc shutting down

    hi all. thanks for the replies, bought new 400w psu and fitted it, pc up and running sweet as a nut.

  6. #6
    Join Date
    Nov 2003
    Location
    Minnesota, United States
    Posts
    4,543

    Default Re: pc shutting down

    11.31v is well out of ATX specifications. That's a bad PSU alright. Mind you, the way the motherboards read voltages isn't very accurate, but it's close enough that I'd declare that a bad PSU without actually getting out a multimeter.

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