1 Reply Latest reply: Mar 5, 2012 3:35 AM by Carolyn Samit
adam moo Level 1 Level 1 (5 points)

hello when i now turn on  or try to turn on my mac goes gray and will not start, if i pull out all the cables  from the back it works, i have done a hardwear test and it comes up fine, when this mac was new it had a new hard drive as the first  broke, so whats wrong here can someone please advise thanks adam