Pad lock on screen
WWhen I try select a start up disk a lock appears on screen
MacBook Pro, OS X Mountain Lion (10.8), Friends macbook pro
User profile for user:
CarlAVII
User level:
Community Specialist
Hello ScottiePhil,
The lock on the screen indicates that a firmware password has been setup on the system. Choosing an alternative startup disk at boot cannot be done without supplying the firmware password that was configured on the system.
Setting up firmware password protection in Mac OS X
http://support.apple.com/kb/HT1352
Cheers,
Allen