Preparing MacBook for sale

Discussion in 'MacBook Pro' started by BRISTOL86, Aug 28, 2016.

  1. BRISTOL86 macrumors newbie

    Joined:
    Mar 25, 2015
    #1
    I'm trying to prepare my MacBook for a new owner, but when I try and erase the SSD in Disk Utility, I get 'erase process has failed'

    The detail shows:

    - Unmounting disk
    - Couldn't unmount disk
    - Operation failed

    Can anyone please help?
     
  2. Schranke macrumors 6502

    Schranke

    Joined:
    Apr 3, 2010
    Location:
    Copenhagen, Denmark
  3. BRISTOL86 thread starter macrumors newbie

    Joined:
    Mar 25, 2015
  4. Schranke macrumors 6502

    Schranke

    Joined:
    Apr 3, 2010
    Location:
    Copenhagen, Denmark
    #4
    Your welcome
     

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