Need help downgrading from ML to SL

Discussion in 'Mac Basics and Help' started by miss.manson, Aug 19, 2012.

  1. macrumors 6502a

    miss.manson

    Joined:
    Dec 12, 2011
    Location:
    Georgia
    #1
    I've looked everywhere and cannot find any help on how to downgrade from Mountain Lion to Snow Leopard. I have the original install discs for Snow leopard and I have Time Machine back ups. How can I go about doing this? Thanks in advanced. :eek:
     
  2. macrumors member

    Joined:
    Jun 11, 2011
    #2
    I'm curious about doing the exact same thing. Unfortunately, don't think it's possible. SL won't read TM backups made post-Lion :|
     
  3. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #3
    What exact Macs are you both talking about?
    2012 Macs will not run Mac OS X 10.6 Snow Leopard, only 2011 Macs will be able to run Mac OS X 10.6 Snow Leopard (though the 2011 MBA might be a bit difficult due to a new TB chip in it).

    example: [SUCCESS!]Late 2011 Macbook Pro with Snow Leopard

    PS: I don't know about using TM backups from Mac OS X 10.7 Lion or OS X 10.8 Mountain Lion in Mac OS X 10.6 Snow Leopard, as I still run Mac OS X 10.6 Snow Leopard and don't use TM.
     
  4. macrumors member

    Joined:
    Jun 11, 2011
    #4
    I can't speak for the OP, but both of my machines are 2011 Macs (iMac and MBP to be exact).

    But yeah, I seem to recall reading that post-Lion TM backups aren't usable in SL. I know I can roll back the OS with a fresh install, but it's not worth it if I have to reinstall all my software and migrate tons of data.
     
  5. thread starter macrumors 6502a

    miss.manson

    Joined:
    Dec 12, 2011
    Location:
    Georgia
    #5
    I have a mid 2009 MacBook white, and I used time machine to go back to SL
     

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