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progress bar missing

  1. I

    macbook pro mid 2012 White-gray screen at startup behavior

    hi there ! In my macbook all were ok until recently, i believe, when i used opencore to make an external hdd bootable with sonoma etc. I say this because it appeared around that time. I never saw this system behavior on my laptop. When i start the macbook via power button, it opens and i see a...
    • istme1
    • Thread
    • blank screen macbook pro mid 2012 mbp progress bar missing startup stuck on gray screen white
    • Replies: 1
    • Forum: MacBook Pro
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