Question about Gateway 420GR PC Desktop

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Monitor does not come on when powered on, it says no input signal

I have a gateway 420gr when I push the power button to turn it on the computer's blue power light comes on the fans come on loud like they are in hypermode, they should quiet down after a few seconds but they dont. they just stay in the loud hypermode and the monitor does not detect a signal at all, it just stays blank the whole time. when this first happened i had a you tube video going and the monitor all of a sudden shut off and said no input signal. Any ideas what the problem may be?

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  • d_j_l_04 Jan 08, 2009

    I am just using the built-in integrated video port

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  • Master
  • 1,179 Answers

Check your video card. It sounds like it has went bad. Hope this helps.

Posted on Jan 08, 2009

  • Roy Lonsinger
    Roy Lonsinger Jan 08, 2009

    Then the intergrated video on the motherboard may have went bad. Try installing a video card that is compatible to your motherboard in the open pci-e if a newer computer or the agp slot if older. If the installed card works then you know for sure it is the built in graphics that went bad. Hope this helps.

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From what you stated in your problem, you dont need a inverter or a bulb. If you have any image like the message box displayed then its working fine. It just isnt seeing any signal changes on the input and therefore goes into power saving mde. Try another cable or hook it up to a different computer to check the cable.

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