A dialog box will appear letting you know if password protection is enabled or disabled. Once OS X Recovery has booted, select Utilities > Firmware Password Utility.
To start, boot your Mac into OS X Recovery by holding Command+R during startup. Enabling Firmware PasswordĮnabling and disabling Firmware Password can only be done using OS X Recovery. Without it, the Mac will only boot from its default startup disk. Once enabled, should you (or anyone else) need to boot the Mac from either OS X Recovery or an external hard drive, the firmware password will be required. This allows it to operate independently of whatever installation of OS X may reside on the Mac and even it is wiped, the Firmware Password will remain. Unlike your OS X login password, Firmware Password is stored within the Mac's EFI (Extensible Firmware Interface). Unfortunately, these methods could be used maliciously and result in your Mac being either erased or, perhaps worse, information stored within to be taken.Īs a way to prevent this sort of access from occurring, the Mac has a built-in function that, when enabled, requires a password to be entered before it can be booted from either OS X Recovery or external drive.
#TURN OFF PASSWORD MAC 15 SOFTWARE#
As you might have read from the previous guides published on The Instructional, the Mac can be booted from either its built-in OS X Recovery volume an external storage device to aid in the troubleshooting and resolution of any software issues that might have occurred.
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