280 Views 1 Reply Latest reply: Aug 26, 2013 12:38 PM by Csound1
Currently Being ModeratedAug 26, 2013 12:38 PM (in response to toppescars)
Plug it in, boot up, at the sound of the chime press command and R, when (if) Recovery boots use Disk Utility to repair the disk. If this does not work you can reinstall OSX from here.
Never do updates on battery power.