macOS provides many different techniques to back up data on Mac. Like the password of an individual account FileVault encryption and other low-level security measures to avoid booting from storage devices other compared to the selected boot drive. The last method is to employ a firmware password or an Extensible Firmware Interface (EFI) lock. This prevents users from using random startup combinations.
The "Find My iPhone" service can remotely lock your Mac with a fixed one-time password.
• Call the state Apple support channel or book a GeniusBar at the nearest AppleStore.
Method 2:
• Restart your Mac and press Command + R to enter recovery mode. • Choose the [Tools] screen, head to the utility menu bar, and select Firmware Password Utility. • Select this method to disable the firmware password. • The greatest disadvantage of this process is that you'll require to enter the firmware password first, but some people will remember the specific password as of this time. This really is strange.
Method 3:
Please remember that this approach is just designed for Intel-based Macs manufactured before 2018. • Shut down your Mac. • Take away the battery. • Locate the RAM and remove one of the RAM modules and set it aside. • Insert the battery • Next, press and hold Command + Option + P + R while restarting the computer to reset the RAM settings. • Watch for 3 beeps. • Release the button and turn off the computer. • Eliminate the battery and reinsert the RAM module. • Finally, replace the battery.
Start your Mac
We hope that the above mentioned methods is going to be helpful in removing the mac padlock screen while booting. Be cautious and protect your data and they at unlocking firmware exist to greatly help you.