DiskWarrior bootable USB works on SL and not on ML

Discussion in 'Mac Apps and Mac App Store' started by Serghy, Nov 17, 2012.

  1. macrumors newbie

    Joined:
    Sep 30, 2012
    #1
    Hi,

    I've just done a bootable USB with DiskWarrior dividing the drive in 3 partitions, for the PowerPC and the Intel startup and 1 for the DVD

    I tested on my MBP with SL on it, booted from the drive perfectly, rebuilt and repaired permitions fine

    then I tried to boot from my rMBP and it get stuck, as soon as I choose the DVD option after a restart it get stuck on a tinier then usual apple logo on a grey screen

    does anybody know what could be the problem? thanks very much for the help
     
  2. thread starter macrumors newbie

    Joined:
    Sep 30, 2012
  3. macrumors 68040

    Joined:
    Jul 11, 2009
    #3
    Mountain Lion requires your disk to be partitioned as GUID to boot, which means that you can't boot PowerPC from it.
     
  4. macrumors 68030

    crazzyeddie

    Joined:
    Dec 7, 2002
    Location:
    Florida, USA
    #4
    The OS on the USB boot device does not have the drivers necessary for the rMBP. It will be a while until Diskwarrior releases a suitable version; check their site for updates.
     

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