ramupok
Level 1
(8 points)
Desktops
Q: reinstall
when i try to reinstall my mac book pro 2012 then it show the lock key at the screen.i pressed command and R key then it locked show
MacBook Pro, iOS 9.3.5, 10.11.6
by lllaass,Apple recommended
lllaass
Level 10
(188,131 points)
Desktops
Lock icon
If you set a firmware password on your Mac, you might see a lock icon at startup if you try to start your Mac from another volume like an external drive or OS X Recovery. Enter your firmware password to continue starting up.
This tells you how to reset the firmware PW
