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motherboard won't output video

Discussion in 'Hardware' started by amarpatel, Jun 13, 2011.

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  1. amarpatel

    amarpatel Thread Starter

    Joined:
    Aug 14, 2008
    Messages:
    6
    PC: Asus CG5270

    the old motherboard that it came with didn't output any video-nor through the computer's graphics card (Nvidia 200GT) or the onboard video. I just ordered a new motherboard. That's not outputting video either.
    here's a list of "symptoms"/ details:

    * was using HDMI/VGA dual output for a 24" HP monitor and a Vizio TV

    * tested both the monitor and tv with different computers-worked

    * tested the new mobo with a completely different monitor-no luck

    * Computer boots up, and the restarts

    * no beeping

    * I tried removing the RAM, but it doesn't make a sound/acknowledge anything

    * tried pulling mobo battery for 30 seconds, didn't change

    * normally, computer would shut down if power button is hit soon after turning on. This doesn't happen. I have to hold it down for 4-5 seconds for it to shut down.

    * tried a different power supply

    If anyone has any advice, I would really, really appreciate it!
     
  2. Oddba11

    Oddba11

    Joined:
    May 12, 2011
    Messages:
    6,896
    First Name:
    Jim
    OEM PC's (ie: Dell, HP, etc.) require a power supply upgrade for addon video card usage. Size will depend upon your hardware specs. Min size would be 550W. And quality is more important than size. Corsair or Seasonic.

    The reboots would seem to indicate a power issue (ie: low power output).
     
  3. amarpatel

    amarpatel Thread Starter

    Joined:
    Aug 14, 2008
    Messages:
    6
    I'm using the power supply that came with the computer, which also had a graphics card in it already.

    It also won't output video when I take the graphics card out, and try using the onboard outputs.
     
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