


Note: You can also boot from a 10.7 installer drive, boot to Target Disk Mode and connect it via Firewire or Thunderbolt to another Mac, or use some other 10.7-booting drive. Boot your Mac and hold down ⌘-R (Command –R) to boot from the Mac’s Recovery HD partition. Update – June 11, 2013: As of Mac OS X 10.8.4, you will need to unlock the encrypted volume first, then you will be able to decrypt it. In the event that you find yourself in this place, or you’re about to be, here’s how you can unlock or decrypt your FileVault 2-encrypted drive using Disk Utility and the password of an account that’s authorized to log in at the FileVault 2 pre-boot login screen. Bad things happen and sometimes those bad things cause your FileVault 2-encrypted Mac to be unbootable.
