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Shakior

macrumors newbie
Original poster
Jul 18, 2013
6
0
I lost my bootscreen on iMac after replacing my videocard, and I can't install windows because of this. I've tried install it from cd and from usb drive, it's just all black and I can't see what I'm doing. Mac os flash drive worked normally, but not the windows one. Please, help.
 
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