6 Replies Latest reply: Feb 25, 2013 12:41 PM by JacksonH98
Iseran Level 1 Level 1 (0 points)

Under preferences, I set "no access" against the check box "Everyone".  Now I cannot boot my macbook up.  I just get a grey screen when I turn it on.

 

All suggestions welcome!

 

Thanks


MacBook Air