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Computer won't turn on with Mini ATX Power Cable in

Discussion in 'Hardware' started by met3ora, Mar 28, 2008.

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  1. met3ora

    met3ora Thread Starter

    Joined:
    Sep 5, 2005
    Messages:
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    Hey guys,

    My computer was working fine at home, and I had to move it into school. So, I put the computer in the car and brought it to school. There wasn't any sort of bump or anything that could've damaged the computer, but for some reason the computer won't start up.

    When I push the power button, all the fans (including CPU) start up, the LEDs of the computer turn on and everything looks good for about 2 seconds, then the computer shuts down. I tried unplugging peripherals from the power supply, and nothing seemed to work until I decided to unplug the Mini ATX power cable (the four pin cable that plugs directly into the mobo, correct me if this isn't the mini ATX cable), and then it stayed on for awhile. Of course, since that cable wasn't in, my video card wasn't powered, so there wasn't much that happened.

    Is this a motherboard short or a power supply short? I don't have another power supply handy to try and fix it, and I was hoping I could get a response as to what is most likely the culprit here.

    Thanks in advance.
     
  2. EnfoToad

    EnfoToad

    Joined:
    Jun 21, 2007
    Messages:
    588
    If it was working fine at your house then something must of gotten unplugged or destroyed on the way. Even the smallest vibrations could cause problems in the computer. Try unplugging everything inside the PC and then let it sit for a minute. Then reconnect everything and see if it works.
     
  3. Rich-M

    Rich-M

    Joined:
    May 3, 2006
    Messages:
    22,443
    Right re-seat every plug and every pci device as well as unplug any peripherals such as usb devices other than mouse and keyboard. I would also re-seat the ram as well and you can polish the inserts with an eraser or clean with a cotton ball and some isopropyl alcohol.
     
  4. met3ora

    met3ora Thread Starter

    Joined:
    Sep 5, 2005
    Messages:
    42
    Thanks guys, I'll try going over all the connections.

    But it doesn't look like a faulty mobo or PSU?
     
  5. Rich-M

    Rich-M

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    Messages:
    22,443
    That's the next step.
     
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