3 Replies Latest reply: Aug 22, 2012 10:08 PM by mende1
TerryNord Level 1 (0 points)

I have a MacBok pro later than 2007.  running 10.6.8 .  Downloaded Mountain Lion from app store.  When  I get to the install page I get the message "This disk cannot be used to start your computer."  What is the problem and what can be done?

MacBook Pro, OS X Mountain Lion