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

start up disc error

  1. T

    MacBook Pro 13" Startup disc error after update! Help?

    Hi all, So I updated to OS Big Sur on my 2015 (I believe) MacBook Pro 13" last night all downloaded ok. Restarted to install, got right to the end and comes up with a start up disc error. Won't let me do anything and the harddrive isn't displayed on the screen. Tried booting it into recovery...