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bars on screen

  1. T

    Bars at bottom of screen

    Hi, I am using a MBP 2010, I know it's old but up until now it has been perfect. High Sierra, version10.13.6 I have no idea what happened but I left computer with nothing running ( I thought) and came home 5 or 6 hours later to find it running hot and bars at the bottom of the screen. Now...
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