Hi all, I have a: iMac 27 - 3.4 GHz Core i7, 8 GB, 1 TB Fusion Drive, 680MX, Magic Trackpad, Wireless Keyboard (Belgium) - Apple TV 3 - Superdrive - Blu Ray Plextor PX-B950UE all runs on mountain lion. But it seems that safe does not work? Tried with resetting V and Pram also tried an other keyboard (USB) Disconecting all extras... nothing seem to work... Any sugestions and help are welkom. Regards & Thanks you! Mac.