Getting my macbook ready to sell and followed the directions here: http://support.apple.com/kb/HT5943
But when I try and erase the startup disk I get a failure message saying "can't unmount"
Will a simple reinstall of Mt Lion erase everything? If not, please help...
But when I try and erase the startup disk I get a failure message saying "can't unmount"
Will a simple reinstall of Mt Lion erase everything? If not, please help...