I have an old Powerbook which one day when I tried to start it up I pressed down the wrong buttons to start-up without extensions (command+option+shift+delete) Now all my powerbook will do is go ...
It turns out that his Macbook Pro in question also came with a disc that is labeled "Mac OS version 10.5.2" Is this disc compatible with the old Powerbook? I am not certain since his current Macbook ...