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

problem installing sierra

  1. M

    iMac 5K Mid-2017 error while install Mac OS

    hello everyone, I bought iMac 5k mid 2017 that cannot update to install OS. I got an errors while update the computer, ssd replaced with new one and I still get errors. when I try to recover mode it I get also an error that say: "an error occurred loading the update" or it damaged. I also try...
  2. M

    MP All Models Desperate...now day 4 (12 hours days) of installation nightmare

    For every step forward, I take 5 steps back. I'll start with the immediate problem, then go back to the beginning of the nightmare 4 days ago. I see a bunch of similar problems in threads online, but not my particular one. Immediate problem: I have a Mac Pro (G5), mid-2012. [PLEASE don't...