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Horizontal streaks and distorted colors on VGA output of graphics card

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    Horizontal streaks and distorted colors on VGA output of graphics card

    I have an old Geforce2 GTS that shows horizontal streaks in its VGA output, and bad colors. It basically shows gray where there should be white, and dark gray ghosting stripes across the screen from text in open windows. Also the color saturation seem wildly inconsistent. I attached a photo of how it looks.

    Any ideas of what can be causing this? Damaged GPU? Or maybe some discrete components on the VGA output path that I can replace? I'm trying to figure out if it's worth attempting to fix this.
    Attached Files

    #2
    Re: Horizontal streaks and distorted colors on VGA output of graphics card

    Did you try cleaning the VGA connectors and using another VGA cable? And not the cheapest ones on eBay, they'll exactly cause this problem.
    And obviously another display too.

    Inspect the board for bad solder joints around VGA connector or any kind of damage. Post high resolution pictures of both sides of the board.
    OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

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      #3
      Re: Horizontal streaks and distorted colors on VGA output of graphics card

      That looks like cruddy connectors or a cheap/bad cable to me
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        #4
        Re: Horizontal streaks and distorted colors on VGA output of graphics card

        Try some test patterns, eg all white screen, all black, all red, green or blue. If there is a problem with a specific RGB signal path, then it should show up in these tests.

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          #5
          Re: Horizontal streaks and distorted colors on VGA output of graphics card

          Looks like an monitor issue. Have a spare monitor to test with?
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