How to remove efi lock imac?

1. Restart your Mac while holding down the Command + R keys to enter Recovery Mode.
2. When the Utilities screen appears, go the Utilities menu bar, and select “Firmware Password Utility”.
3. Choose to turn the Firmware Password off.

As many you asked, what is EFI lock on Mac? Bypass Activation Lock Firmware password is also known as EFI. This is an advanced level of security that everyone should have no matter what they have in their Mac. However, if you forget your EFI password then it may be a problem.

Best answer for this question, how do I remove administrator password from IMAC?

Likewise, how do I remove a locked IMAC?

1. Turn your Mac computer off.
2. Press the power button to turn it on, then immediately press and hold Command (⌘) + R.
3. After a few moments, the macOS Utilities window should appear — this is known as Recovery Mode.
4. Select “Disk Utility” and click “Continue.”

You asked, does erasing Mac remove firmware password? Remove the Firmware Password, if it was previously set. The option will not remove your firmware password. This process is very close to the new M1 Apple Silicon Mac “Erase Mac Process” The difference is that macOS Recovery is still available after the process so you can easily reinstall macOS.

1. Click the Apple icon in the top-left corner of the screen and select “System Preferences.”
2. Select “Security and Privacy.”
3. Untick the box labeled “Requires Password.”
4. Enter your Mac’s password in the pop-up window.
5. Confirm your choice by clicking “Turn off screen lock.”

How do you remove the BIOS lock on a Mac?

1. Start up from macOS Recovery.
2. When the utilities window appears, click Utilities in the menu bar, then choose Startup Security Utility or Firmware Password Utility.
3. Click Turn Off Firmware Password.
4. Enter the firmware password again when prompted.

How do I remove an administrator from my Mac without a password?

1. boot computer and hold the “apple” key and the “s” key.
2. wait for terminal show.
3. release keys.
4. type without the quotes: “/sbin/mount -uaw”
5. press enter.
6. type without the quotes: “rm /var/db/.applesetupdone.
7. press enter.
8. type without the quotes: “reboot”

How do I stop my Mac from locking so fast?

From the Apple menu, choose System Preferences. Click Desktop & Screen Saver. Click Screen Saver, and then use the slider to choose 15 minutes (or less).

How do I reset the administrator on my Mac?

Click on Utilities in the Apple menu and select Terminal. At the Terminal prompt, type ‘resetpassword’ then hit enter. This will launch the reset utility, which allows you to select a drive, a user, then a new password and password hint for your admin user. After saving, go to the Apple Menu and click Restart.

How do I wipe my iMac?

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

How do you clear everything off a Mac?

Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.

Can you remove activation lock without previous owner?

If your device is activation locked, it simply means that you or someone else’s iCloud account is still linked to the factory erased iPhone, iPad, or iPod touch. The official way to remove this barrier is by providing the password to the linked iCloud account without which no one can be able to access the device.

How do I bypass Mac firmware password?

1. Restart your Mac while holding down the Command + R keys to enter Recovery Mode.
2. When the Utilities screen appears, go the Utilities menu bar, and select “Firmware Password Utility”.
3. Choose to turn the Firmware Password off.

How do I know if my Mac has a firmware password?

To find out, simply try to boot the Mac into anything but the normal OS X boot process. Try using an external boot volume, recovery mode, single user mode, verbose mode, target disk mode, resetting the PRAM or any other alternative booting approach. They will all trigger the firmware password window.

How do I reset my Mac firmware password?

Reboot the Mac and hold down Command+R to enter recovery mode. At the Utilities screen, go to the Utilities menu bar item and choose “Firmware Password Utility” Select to turn the Firmware Password to OFF.

What do I do if I don’t know my administrator password Mac?

Select Utilities > Terminal to open a Terminal window. Type resetpassword and press Return to open the Reset Password screen. Select I forgot my password from the available options. Enter the password for the account’s Apple ID.