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  1. #1
    Mountain Lion: Clean Install or Upgrade on mid 2012 MBP?

    Member Since
    Jun 26, 2012
    Posts
    17
    Question Mountain Lion: Clean Install or Upgrade on mid 2012 MBP?
    Hey guys, I have a new 2012 13" Macbook Pro that I purchased about a month ago. Ive been reading the forums and have found a lot of people doing a clean install of Mountain Lion as opposed to an upgrade. Do you think this is necessary for such a new machine? Should I do a clean install and use migration assistant to bring back my (small amount) of old files, or just upgrade to ML?

    Also, if anyone could touch on the merits of creating a USB thumb drive bootable Mountain Lion copy it would be greatly appreciated. From what I understand, my MBP has a partition in the hard drive that works as a backup copy of the OS.
    Will this OS repair partition update to ML once it is installed? Thanks for the help!

  2. #2
    Mountain Lion: Clean Install or Upgrade on mid 2012 MBP?

    Member Since
    Mar 09, 2011
    Posts
    751
    Specs:
    mbp 15 2009, mbp 13 2010
    you can do an upgrade, the link will take care all your questions, the link is here how to do it
    OS X Mountain Lion: The Mac-Forums Guide | Mac-Forums Blog

  3. #3
    Mountain Lion: Clean Install or Upgrade on mid 2012 MBP?
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,002
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    As a suggestion prior to running the installer make a bootable USB thumb drive. Then run the installer. Thumb drive needs to be over 4GB. Lion Diskmaker, which is donationware, does the trick.


    http://blog.gete.net/lion-diskmaker-us/
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

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