Will installing ML to a 2nd HDD mess up current install?

Discussion in 'OS X Mountain Lion (10.8)' started by bitterdone, Jun 5, 2013.

  1. macrumors newbie

    Joined:
    Jul 19, 2012
    #1
    I want to install ML onto a spare HDD. If I create a bootable usb installer, tell my iMac to boot from it, and install ML to the HDD, will anything bad happen to the iMac's current OS X installation?

    I'd be using a usb HDD Dock ("toaster") to connect my spare HDD. I think the iMac has Snow Leopard, if it matters.
     
  2. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #2
    It will not damage the current install if you select and format the correct HDD during the installation.
     
  3. thread starter macrumors newbie

    Joined:
    Jul 19, 2012
    #3
    Thanks for the response. To you and anyone else wondering, I just finished and the original install is fine.
     

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