A aiaiai macrumors newbie Original poster Oct 19, 2008 1 0 Oct 19, 2008 #1 I remember I went to the I.T my school when my computer wouldn't start up. Now, when I try to startup my macbook, it gives me an O with a line through it. How do I force restart it? Something like command+1=tab or something.
I remember I went to the I.T my school when my computer wouldn't start up. Now, when I try to startup my macbook, it gives me an O with a line through it. How do I force restart it? Something like command+1=tab or something.