How to roll back to 1.7 EFI Firmware?

Discussion in 'MacBook Pro' started by arfle18, Dec 18, 2009.

  1. macrumors newbie

    Joined:
    Apr 27, 2009
    Location:
    Brooklyn, NY
    #1
    Hey folks,

    I just updated my late 2008 Macbook Pro to EFI Firmware v1.8, and am finding that suddenly my Firewire audio interface can't play a single thing without crackling, even in simple programs like Media Player, on my Boot Camp partition.

    Using firmware version 1.7, everything was just fine. How does one roll back to an earlier firmware version? Does it have to be done by an Apple Tech?

    Thanks!
    HK
     
  2. Gen
    macrumors 6502a

    Gen

    Joined:
    Jul 15, 2008
    #2
    I actually don't think its possible ... sorry.
     
  3. thread starter macrumors newbie

    Joined:
    Apr 27, 2009
    Location:
    Brooklyn, NY
    #3
    That's what I had thought, but I keep seeing people talking about successfully rolling back to older firmware versions, and a "rollback tool." I just can't seem to find a link to this tool, or instructions on how to do it.
     

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