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  1. #1

    Member Since
    Jul 19, 2011
    MacBookPRO5,4 Grey screen shutting down.
    Hey All,

    PC convert. I have had this Laptop for 18 months.

    About 6 months ago, I tried to shut it down and a grey screen descended. It stated in about five different languages that I need to hold down the on button to reset my computer.
    I hate it because you hear that hard drive tick and think............

    Can anyone explain this one:

    Tonight, I was running google chrome and writing on Garageband. Suddenly the screen went blank.
    (Completely gutting for me as I had written a blinding tune).
    When I touched the brightness increase button, the screen flickered on and off, to the point that I could save my efforts. When I took my finger off the brightness button the screen went blank again.

    What is going on?

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Run the Apple Hardware Test to see if it picks anything up. It does sound like a hardware problem and could be a number of things such as the display itself or the GPU.

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