How can I make a bootable Mountain Lion USB on Windows?

Discussion in 'OS X Mountain Lion (10.8)' started by east85, Dec 10, 2012.

  1. east85 macrumors 65816


    Jun 24, 2010
    I need to install Mountain Lion on my Mac once again as the SSD is garbage. I got a new SSD and I am prepared to install it but first I need to create a new bootable USB with Mountain Lion on it to begin the process. Is there any easy and straight forward way to do this on windows? I already have Mountain Lion software backed up but not in a bootable format. USB is preferred as I do not have any dual layer discs laying around and I've already spent a ton of money on the new SSD and really don't want to sink anything else into it.

    Thanks a lot guys. I did a little searching and couldn't find anything at all.
  2. Weaselboy Moderator


    Staff Member

    Jan 23, 2005
    I have never seen any way to make the USB installer in Windows. You will need a Mac to get it done.

    What year is your Mac? If it is 2010 with the latest firmware (EFI), you should be able to do a command-r boot to recovery and format and install from there.
  3. simsaladimbamba

    Nov 28, 2010
    The OS X 10.8 Mountain Lion installer will fit on a Singe Layer DVD, if that helps. Thus you could use a goo Windows burning program to burn the DMG/ISO you have to an SL DVD.
  4. east85 thread starter macrumors 65816


    Jun 24, 2010
    Thanks sim. I'll go the single layer DVD route. It's been awhile so I've sort of forgotten this was possible. Big derp on my part. Kind of hard to believe you can't do the USB on Windows though, I'd be out of luck without an optical disk drive (or have to wait for Apple to send me a USB if lucky). Will report back later.
  5. east85, Dec 10, 2012
    Last edited: Dec 10, 2012

    east85 thread starter macrumors 65816


    Jun 24, 2010
    Edit: Disregard this. It literally just loaded as I typed this. >_>

    Everything is up and running. Thanks again.

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