A firmware password prevents starting up from any internal or external storage device other than the startup disk you’ve selected. You may have to enter a password, such as a firmware password or the password of the user who’s an administrator of the Mac. Startup is complete when you see the utilities window. Continue holding the keys down until you see the Apple logo or a spinning globe. To use macOS Recovery on an Intel-based Mac, hold down Command (⌘)-R on your keyboard immediately after restarting your Mac or immediately after your Mac begins to restart.

MacOS Recovery Mode on an Intel-based Mac

From a shutdown state, double-press and hold the power button to boot into Fallback recovery OS. However, it won’t allow you to change the system security state - which most of us probably shouldn’t mess with anyway. It’s the same process as recoveryOS boot, except that it boots to a second copy of recoveryOS that, in Apple’s words, “is kept for resiliency.” If macOS Recovery Mode didn’t solve your problems, you can give “Fallback recovery OS” a try. Choose “Apple menu () > Startup Disk.” To quit the app, choose Startup Disk > Quit Startup Disk. Startup Disk: Set the startup disk for the Mac.In the Recovery app, choose “Utilities > Share Disk.” Share Disk: Share the disk of a Mac that’s started up in macOS Recovery.To return to the Recovery app, choose “Terminal > Quit Terminal.” In the Recovery app window, choose Utilities > Terminal. Terminal: Change settings via the command line.To return to the Recovery app, choose “Startup Security Utility > Quit Startup Security Utility.” In the Recovery app, choose Utilities > Startup Security Utility. Startup Security Utility: Set the security procedures for your Mac.To return to the Recovery app, choose “Disk Utility > Quit Disk Utility.” Use this one with care! In the Recovery app window, select Disk Utility, then click Continue. Disk Utility: Repair or erase your disk.Note that Safari browser plug-ins and extensions are disabled in macOS Recovery. To return to the Recovery app, choose “Safari > Quit Safari.” If you’re connected to the internet, you can use Safari to search for more information on the Apple Support website. Safari: In the Recovery app window, select Safari, then click Continue.

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