) is a security measure that prevents the computer from starting up from any disk other than your designated startup disk [30, 32]. 1. How to Set (or Remove) a Known Password If you have the password and want to change or disable it: macOS Recovery Command + R during startup) [29]. in the top menu bar and select Startup Security Utility Firmware Password Utility Turn Off Firmware Password and enter the current one when prompted [29]. 2. What if You Forgot the Firmware Password? Simply erasing the hard drive will remove a firmware password. If you are locked out: The Official Way : Schedule a service appointment at an Apple Store or Authorized Service Provider [10, 29]. You
Connect the unlock tool to a PC, open its proprietary software, and when prompted for the firmware password, attempt known factory strings. unlock tool firmware password
"Locked out? Get the latest bypass today. Fast, reliable, and secure." ) is a security measure that prevents the
Incorrect power cycling or interrupted flashing can trigger a failsafe that demands a factory firmware password. in the top menu bar and select Startup