Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

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...