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"No signal" on monitor when booting up computer

Discussion in 'Windows XP' started by roselace, Sep 2, 2011.

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  1. roselace

    roselace Thread Starter

    Jul 26, 2011
    My brother is having problems with his computer. When he turns it on, the monitor will say "No signal". We tried hooking up a different monitor, but still had the same problem :(. How can we fix this?
  2. Byteman

    Byteman Gone but Never Forgotten

    Jan 24, 2002
    The computer most likely is not able to produce a video output to the monitor- to test this, connect the original monitor to another computer to see if it can display video.....

    You have already done the other test,-- connecting a different monitor to the suspect computer.

    The video device may be an onboard chip, if it is, you might be able to install a new video card in a slot.... wouldn't get my hopes up just yet as it is often the case that the motherboard is burned out when the video will not display.

    If you already have a video card in a slot, try a different video card.

    If you could post the computer brand and model ID it would help a lot. Also, take a look at the motherboard area around or between the PCI slots....


    Here's a video about finding the ID of motherboards>>

  3. flavallee

    flavallee Frank Trusted Advisor

    May 12, 2002
    Did he by any chance upgrade from integrated graphics to a video card before this problem started?

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