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screen flashing

  1. gokhantonyukuk

    iMac G5 20' Red Green Blue Flash Screen of Death

    Hello. I bought an very cheap unworking iMac G5 20'. The problem is It doesn't boot at all. Screen flashes Red Green Blue Gray White & all over again after the opening sound. Also fan working very loudly. I tried PRAM/NVRAM reset(which didn't helped) & Target Disk Mode(not even worked). Some...
  2. C

    Screen Flashing (Apple TV 4)

    I have a 65" Samsung MU8000 hooked up to a Klipsch RSB-11. I run the cables in wall from a cabinet to the sound bar on the mantle, then in wall to the TV above it. When I hook up the Apple TV, the screen immediately begins flashing. It sometimes sorts itself out (I haven't figured out how)...
  3. TechNismo

    MacBook Screen Flashing Rainbow

    Anyone experience their screen flashing, like a rainbow/x-ray colour when waking it up from sleep? It seems this has only happened to me once I updated to High Sierra.
    • TechNismo
    • Thread
    • high sierra bug macbook pro screen defect screen flashing screen flickering waking up from sleep problems
    • Replies: 5
    • Forum: macOS High Sierra (10.13)
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