Start up from macOS Recovery: Press and hold Command (⌘)-R immediately after turning on your Mac, and release the keys when you see the lock icon and password field.
Enter the firmware password.
When the Utilities window appears, click Utilities in the menu bar, then choose Firmware Password Utility or Startup Security Utility.
How to turn on firmware password on MacBook Air? This utility is available only on Mac models that support use of a firmware password. Click Turn On Firmware Password. Enter a firmware password in the fields provided, then click Set Password. Remember this password. Quit the utility, then choose Apple () menu > Restart.
How to fix firmware lock on MacBook Air? When the PIN code appears, restart the MacBook Air, and then hold down the ALT (Option) button before the screen lights up. When the MacBook screen is lit up, you will see the firmware lock interface. The firmware lock we’re talking about is actually the motherboard password (hardware password), it can’t be removed by reinstalling the system.
How to unlock MacBook Air? Release those buttons after the MacBook automatically restart. Now the MacBook Air enters systems normally, press the Option button when booting, there is no lock, the MacBook Air has been unlocked.
Why does Apple want a receipt to unlock the firmware password? Users can unlock the firmware password as described above, but Apple wants the original receipt because they want proof of ownership, they are not going to unlock the firmware password for a stolen Mac, for example. The Firmware Lock is hurting second hand buyers more than hurting thieves.
What’s the firmware lock on my MacBook Pro? When the MacBook screen is lit up, you will see the firmware lock interface. The firmware lock we’re talking about is actually the motherboard password (hardware password), it can’t be removed by reinstalling the system. The password for the firmware lock is in the BIOS chip that exists on the MacBook motherboard.
How to turn on firmware password on MacBook Air? When the utilities window appears, click Utilities in the menu bar, then choose Startup Security Utility or Firmware Password Utility. Click Turn On Firmware Password. Enter a firmware password in the fields provided, then click Set Password. Remember this password. Quit the utility, then choose Apple menu > Restart.
Are You Still skeptical of the Apple firmware lock? I am still skeptical. Users can unlock the firmware password as described above, but Apple wants the original receipt because they want proof of ownership, they are not going to unlock the firmware password for a stolen Mac, for example. The Firmware Lock is hurting second hand buyers more than hurting thieves.
Why does my Mac ask for the firmware password? Your Mac asks for the firmware password only when attempting to start up from a storage device other than the one selected in Startup Disk preferences, or when starting up from macOS Recovery. Enter the firmware password when you see the lock and password field: Start up from macOS Recovery.
How to turn on firmware password on MacBook Air?
How do you reset your MacBook Air password?
Wait up to a minute at the login screen, until you see a message saying that you can use the power button on your Mac to shut down and start
Press and hold the power button until your Mac turns off.
Press the power button again to turn on your Mac.
When the Reset Password window appears, follow the onscreen instructions to create a new password.
How to unlock MacBook Air without password? Procedure is rather simply:
Create KON-BOOT bootable USB on your Mac
Insert this USB to your locked Macbook.
Boot your locked Macbook while holding the LEFT OPTION key on your keyboard
From the boot menu pick EFI USB
Kon-Boot will load, follow the instructions
Wait for macOS to load, pick target user, put any password and press enter
How to unlock MAC Air? Guide: Unlock MacBook Air Firmware-lock and PIN-lock (A1466）. A MacBookAir is locked by pin code and firmware, the model is A1466, the motherboard model is 820-00165-A, which is release in 2015. Press the MacBook power button, after entering the system, it shows PIN code lock, press the “Option” button, it shows firmware lock.
How to reset Mac password in no time? Use the Reset Password assistant
From the Utilities menu in the menu bar, choose Terminal.
In the Terminal window, type resetpassword, then press Return to open the Reset Password assistant.
If you’re asked to select an admin user you know the password for, click “Forgot all passwords?”.
At the Reset Password window, click Deactivate Mac, then click Deactivate to confirm.
How do you reset your MacBook Air password?
Wait up to a minute at the login screen, until you see a message saying that you can use the power button on your Mac to shut down and start
Press and hold the power button until your Mac turns off.
Press the power button again to turn on your Mac.
When the Reset Password window appears, follow the onscreen instructions to create a new password.
How to unlock MacBook Air without password? Procedure is rather simply:
Create KON-BOOT bootable USB on your Mac
Insert this USB to your locked Macbook.
Boot your locked Macbook while holding the LEFT OPTION key on your keyboard
From the boot menu pick EFI USB
Kon-Boot will load, follow the instructions
Wait for macOS to load, pick target user, put any password and press enter
How to unlock MAC Air? Guide: Unlock MacBook Air Firmware-lock and PIN-lock (A1466）. A MacBookAir is locked by pin code and firmware, the model is A1466, the motherboard model is 820-00165-A, which is release in 2015. Press the MacBook power button, after entering the system, it shows PIN code lock, press the “Option” button, it shows firmware lock.
How to reset Mac password in no time? Use the Reset Password assistant
From the Utilities menu in the menu bar, choose Terminal.
In the Terminal window, type resetpassword, then press Return to open the Reset Password assistant.
If you’re asked to select an admin user you know the password for, click “Forgot all passwords?”.
At the Reset Password window, click Deactivate Mac, then click Deactivate to confirm.
