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mototriu

macrumors member
Original poster
So here's the deal, the hard drive on my friend's 2011 15" Macbook Pro finally gave up on him so I decided to replace it for him. The system had never been upgraded before so it was running Mac OS X Lion before it broke. Now, how would I go about installing OS X El Captain or at the least OS X Lion? Any help would be greatly appreciated and thanks in advance!
 
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