iMac G5 video problems since Leopard install

Discussion in 'macOS' started by SanibelMan, Jan 27, 2008.

  1. SanibelMan macrumors member

    Jul 1, 2004
    I have an 20" iMac G5 Rev. A. Since I installed Leopard a few months ago, it's given me some major video problems, especially after a cold start. When I first start it up, I notice some red pixels in the default Leopard screen background. The dock and menu bars act strange, with icons disappearing and reappearing, and when I went to start Safari it looked like the attached screenshot.

    The logic board was replaced a couple of years ago for the VRAM problem that the Rev. A iMacs had, so I don't think it's a hardware issue. This looks similar to the video problems people were experiencing with some Mac Pros, but I couldn't find any report of this happening on an older, pre-Intel iMac. Has anyone else had this problem or found a fix?

    Attached Files:

  2. hijofrizbe macrumors newbie


    Nov 18, 2007
    New York
    This just started to happen to my display. What has apple done!!??!??? Now it does it at random times - even when I don't use the computer. It goes to sleep and come back with a white screen covered with pixels.. BOOO... :eek:

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