5 Replies Latest reply: Sep 30, 2012 1:04 PM by babowa
SAGIROHIT Level 1 (0 points)

hi, i am not able instal mountain lion on mac book pro,2011 july edition which runs on leopard 10.6.8,it says your macintosh hd cant be used as the startup disk.i would be glad if someone could help me out

MacBook Pro, Mac OS X (10.6.8)