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Thread: Nothing when boot up, including bios

  1. #1
    Join Date
    Mar 2010
    Location
    Columbus, OH
    Beans
    35
    Distro
    Ubuntu 12.04 Precise Pangolin

    Nothing when boot up, including bios

    Just wanted to see if anyone thinks I'm on the right track. I have a desktop that displays absolutely nothing but a black screen when I boot it up. I'm not even able to boot into a BIOS screen. I tried taking out the video card and using the on board one and it did the same thing. I had an extra graphics card sitting there so gave it a whirl. Same thing. My next thought is to get a new motherboard. Before I go and buy one I wanted to see if anyone had any other ideas.

  2. #2
    Join Date
    Sep 2012
    Location
    12o4/14o4
    Beans
    Hidden!

    Re: Nothing when boot up, including bios

    BIOS should come up before your OS boots. So if your not able to get to bios, its a good shot you have MB trouble.

  3. #3
    Join Date
    Jul 2005
    Beans
    2,050

    Re: Nothing when boot up, including bios

    Motherboard issues are extremely common. You can look for "blown caps" on the board - google for "blown caps" to see examples of bad capacitors. Even if the capacitors aren't obviously blown, the board could still have failed.

    As a "hail mary" effort, I'd try this:
    - unplug power
    - remove the CMOS battery for about 2 minutes, then put it back
    - unseat all cards and re-seat them, including RAM
    - leave everything possible unplugged including the drives (except video card and probably one stick of RAM)

    It's also remotely possible the power supply is bad and not providing enough power to POST anymore (get past BIOS).

  4. #4
    Join Date
    Nov 2012
    Beans
    46
    Distro
    Xubuntu 12.10 Quantal Quetzal

    Re: Nothing when boot up, including bios

    if you are lucky it's only the mobo battery that has discharged. It happened to me a few times. It's quite frightening if you don't expect it, but luckily it's very simple and economic to solve.

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