USB boot issue mpb 15" 2011

Discussion in 'MacBook Pro' started by ricky1989, Mar 23, 2011.

  1. ricky1989 macrumors member

    Joined:
    Jul 21, 2009
    #1
    I have just received the new 2.2ghz 15" mpb yesterday. :D
    Everything is just Apple, prefect!
    But when I connected my bootable usb drive and boot via "target disk" mode, it boots into a grey screen with the Apple logo standing still. :(
    To ensure the problem doesnt comes from the external drive, I tried to boot into it using my old white macbook, without a hitch. The os just load and pops right into OSX (10.6.7).

    What could be the cause of this problem? And what could I do about it?
    Thanks!

    P.S. I am on Apple's 128GB SSD, 10.6.7
    EDIT: I used the "Alt" key to select the drive, it shows up. Just won't boot into it.
     
  2. sydenham macrumors regular

    Joined:
    Dec 23, 2010
    #2
    Target disk mode only works for Firewire if I am not mistaken. What happens when you boot up holding down the alt key?
     
  3. ricky1989 thread starter macrumors member

    Joined:
    Jul 21, 2009
    #3
    My mistake, I tried the "alt" key
     
  4. ricky1989 thread starter macrumors member

    Joined:
    Jul 21, 2009
    #4
    Solved!

    Problem solved! Need driver upgrade by installing the osx that comes with new machines.
     

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