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Reverting to an earlier OS

J

jennconducts

macrumors newbie
Original poster
Apr 5, 2009
10
0
Hi all,
Please forgive this naive question, and TIA for any help.
I need to move backwards from Yosemite (due to ProTools). I have completely backed up the iMac's HD with Time Machine. I have an install disk for Lion, which came with the computer. Is a good way to handle this to erase the HD, boot up from the install disc and install Lion, update to Mavericks (which PT works with), and move my files back over from my backup external drive?

Thanks,
Jenn
 
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