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Thread: PC just shuts off

  1. #1
    Mïcrösöül°V³'s Avatar Hammer Smashed Face
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    I have this computer, and it just started shutting off. When it shuts off, pressing the power button does nothing, it wont come back on. If I let it set for a while (5 minutes or so), it will turn back on, but it wont last for more than 5 minutes or so. Does this sound like a failing PSU to you guys? It does to me, but I wanted a second (or third, or fourth ) opinion.

    *edit* It will only come back on after I unplug it for a few seconds, then plug it back in.
    Last edited by Mïcrösöül°V³; 04-08-2006 at 03:56 PM.

  2. Software & Hardware   -   #2
    tesco's Avatar woowoo
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    Sounds like the PSU to me.
    Do you have other PSUs to try, or try unhooking some things from the computer (cd drives, extra hard drives, extra fans) to see if it stays on like that.

  3. Software & Hardware   -   #3
    Mïcrösöül°V³'s Avatar Hammer Smashed Face
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    unfortunatly I dont have another psu to try. I messed with it some more, and now it will only give enough power to spin the cpu fan lightly, then nothing. A friend has some psu's I will try later. Thanks for your thoughts

  4. Software & Hardware   -   #4
    cpt_azad's Avatar Colonel
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    Ya try the PSU from your friend, and post back here. Let us know what happened.

    Jeff Loomis: He's so good, he doesn't need to be dead to have a tribute.

  5. Software & Hardware   -   #5
    WiiiE's Avatar WIIIE
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    mine used to do that too, but it was way simpler than a PSU failing, it was simply the 24pin power connector that was loose I noticed that the computer shut off everytime I shook the chassie ^^

  6. Software & Hardware   -   #6
    Virtualbody1234's Avatar Forum Star BT Rep: +2
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    If you can get it going again then go into the BIOS to check the temps.

  7. Software & Hardware   -   #7
    Mïcrösöül°V³'s Avatar Hammer Smashed Face
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    Quote Originally Posted by Virtualbody1234
    If you can get it going again then go into the BIOS to check the temps.
    I considered using speedfan to check temps, but the pc wont even power on, so I kinda figured that overheating was ruled out. I know what you are thinking VB, cuz I thought the same thing. I suppose its all still a possibility, but I havent gotten the psu's to narrow it down yet.

  8. Software & Hardware   -   #8
    clocker's Avatar Shovel Ready
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    Given those symptoms I would suspect thermal shutdown before PSU.
    Sounds like overheating>shutdown>cool off>restart>shutdown.

    By all means, try a different PSU but also check the condition of your heatsink/fan.
    "I am the one who knocks."- Heisenberg

  9. Software & Hardware   -   #9
    mr. nails's Avatar m@D @n!m3 BT Rep: +1
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    yep, thermal shutdown. had an old hp pc back in nam and the hsf was shit and would do exactly what urs is doing. time for new hsf and some good thermal paste.
    Alamo Drafthouse!

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  10. Software & Hardware   -   #10
    Chewie's Avatar Chew E. Bakke
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    I had this once. Having to unplug from the wall was the clue. New PSU fixed it.
    There isn't a bargepole long enough for me to work on [a Sony Viao] - clocker 2008

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