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I'm at the install OS X tab and mavericks is unavailable. i put in the disc for lion, how do i start the install?

i have a 2010 27 inch iMac with bluetooth keyboard and usb mouse, it has a terabyte memory it was on mavericks i think, I'm not to sure.

i haven't done anything except put in the disc that i have for OS X lion, but its not doing anything. I'm just looking at the 2 pics of hard drive and recovery hd

iMac

Posted on Feb 26, 2015 5:05 PM

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I'm at the install OS X tab and mavericks is unavailable. i put in the disc for lion, how do i start the install?

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