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General Chat Thread, pc shutsdown after a few seconds even on live cd but not in BIOS in General; so got 2 machines that boot into BIOS no problem and can sit there for hours. Boot to HD and ...
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    pc shutsdown after a few seconds even on live cd but not in BIOS

    so got 2 machines that boot into BIOS no problem and can sit there for hours.
    Boot to HD and after 5 secs or so power off
    disconect HD boot to live cd turns off after 5 secs.

    any ideas , have changed , CPU, Memory and graphics card

  2. #2


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    power supply isnt up to delevering a good steady output for long enough?

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    wagnerk's Avatar
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    Could be power supply or even the RAM.

    -Ken

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    Is the computer overheating?

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    Check the fans and check the cpu sink is fitted correctly it sounds like overheating.

    Richard

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    chazzy2501's Avatar
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    yes, like above & Double check the CPU fan is plugged into the CPU fan headder. (i.e. not the case fan header).. If that all checks out run memtest.
    Last edited by chazzy2501; 26th April 2011 at 01:28 PM.

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    as i said it will sit on bios screen all day temp never gets above 20 degrees
    tried power supply and still same result
    also tried different ide header and new disk

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    bodminman's Avatar
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    Bios isn't drawing much power so that to me is a red herring.

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    What make & model are they? Could be a known mobo fault.

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    Arcath's Avatar
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    Quote Originally Posted by FN-GM View Post
    Is the computer overheating?
    +1 for that, I had an old admin machine that would last for 5 minutes or so when booting windows and after some testing i found that the cpu heatsink wasn't making contact properly and the only way to keep it going was to lie it on its side

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    All good suggestions above, I'd also try disconnecting anything USB (especially stuff that draws power).

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    its a soltek m-300

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