If you use “Restore System From Backup…” to?restore a Time Machine?backup?to a different Mac than the original Mac used for the backup, issues such as these may occur: Graphic anomalies may appear during startup, or may follow the mouse pointer AirPort or Bluetooth may not be available The Mouse System Preference pane may not display the Magic Mouse or its features Brief graphic distortion may appear when shutting down an iMac Other startup issues
Source:Mac OS X v10.6: Issues after restoring a Mac from a Time Machine backup made with a different Mac ("Restore System From Backup…")
