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chris14465

macrumors newbie
Original poster
Feb 17, 2012
11
2
Germany
Hello,

I'm trying to clean install Mountain Lion the same way I did with Lion (extracting InstallESD.dmg, putting it on a USB stick).
Unfortunatley my iMac 27" 2010 won't boot it. It stays looping the little progress wheel.

Anyone got a solution for this?
 
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