A ajw1275 macrumors newbie Original poster Feb 9, 2012 24 0 Jul 28, 2013 #1 Im posting for my friend his MacBooks backlight isn't turning on but he puts a different hard drive in and it works. why would it be doing this?
Im posting for my friend his MacBooks backlight isn't turning on but he puts a different hard drive in and it works. why would it be doing this?
rabidz7 macrumors 65816 Jun 24, 2012 1,205 3 Ohio Jul 28, 2013 #2 Reinstall OS X on the internal HDD.