How to get past gray screen on MacBook?
How to get past gray screen on MacBook?
How to get past gray screen on MacBook?
Here are some initial things to try.
http://support.apple.com/kb/ts2570
http://lifehacker.com/how-to-troubleshoot-the-four-most-common-oh-sh-t-mac-48708 0511
How to get past gray screen on MacBook?