Mountain Lion will not boot to desktop, hard drive is locked

Discussion in 'OS X Mountain Lion (10.8)' started by Bloomsday1, Feb 3, 2015.

  1. Bloomsday1 macrumors newbie

    Feb 3, 2015
    My issue begins in this order:

    • I first boot computer
    • It goes to gray screen and apple logo and spins to boot
    • It prompts me to "Use English for the main language
    • I choose English and it goes to OS X Utilities, from here I have tried the following:
      Reinstall OS X [I can't because "The disk is locked"]
      Disk Utility [the "Repair" scan tells me that there are no problems]
      Disk Erase [failed: Disk Erase failed with the error: Couldn't unmounts disk.]
      Get Help Online [I am able to go online, but cannot isolate this issue sufficiently to find any meaningful solution]
  2. Weaselboy Moderator


    Staff Member

    Jan 23, 2005
    It sounds like you may have a failing drive.

    Try a command-option-r boot to Internet recovery and see what Disk Utility tells you about your disk from there.
  3. Bloomsday1 thread starter macrumors newbie

    Feb 3, 2015
  4. Bloomsday1 thread starter macrumors newbie

    Feb 3, 2015
    as an update, I was able to follow the above advice, I am currently reinstalling OS X remotely. I wil let you know if al is well once it finishes installing.
  5. dejo Moderator


    Staff Member

    Sep 2, 2004
    The Centennial State
    You didn't try to confirm or rule out that your drive was failing?

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4 February 3, 2015