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Home : Software : How To Set Your Firmware Password in Mac OS X

How To Set Your Firmware Password in Mac OS X

Setting a firmware password will prevent unauthorized access of your Mac. Here's how to set your firmware password in Mac OS X.

April 20, 2016 by Joe Michaels
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Table of Contents[Hide][Show]
  • 01) Turn off your Mac
  • 02) Activate Recovery Mode
  • 03) OS X Firmware Password Utility
  • 04) Turn On Firmware Password
  • 05) Enter Password
  • 06) Quit Firmware Password Utility
  • 07) Restart
  • 08) How Firmware Passwords Protect Stolen Macs

Want to protect your Mac and it’s data in case it ever gets stolen or falls into the wrong hands? Even if you have your Mac secured with a password, FileVault file encryption, and a computer theft recovery service, someone can still access it by booting from an external hard drive.

Setting a firmware password will prevent unauthorized access of your Mac and stop someone from erasing it. The firmware password is stored on your Mac’s motherboard and can’t be erased or reset. Here’s how to set your firmware password.

01) Turn off your Mac

To shut the Mac off completely, choose “Shut Down” from the Apple menu. If your Mac won’t shut down or you can’t open the Apple menu, hold down the power button for 5 seconds to force a shutdown.

  • Apple > Shut Down

How To Shut Down Your Mac

02) Activate Recovery Mode

Turn your Mac back on and immediately activate Recovery Mode by holding down the Command and R keys at the same time.

Activate Recovery Mode

03) OS X Firmware Password Utility

Wait until the OS X Utilities screen appears. Then click on the Utilities menu from the menu bar and select Firmware Password Utility.

OS X Utilities > Firmware Password Utility

Os X Utilities

04) Turn On Firmware Password

You should see a screen telling you that your firmware password is off. Click on the “Turn On Firmware Password” button.

05) Enter Password

Pick a familiar password that you will remember or store it somewhere safe. There is no password recovery for firmware passwords. Click the Set Password button.

Until 2010, Mac firmware passwords could easily be reset by opening the computer, removing the memory and forcing the computer’s Extensible Firmware Interface (EFI) to rest. But in 2010 Apple redesigned their motherboards and disabled the ability to reset your firmware even if your computer has removable RAM.

If you forget your firmware password, you’re screwed. You will have to take your computer to an Apple Store for repair.

Firmware-Password

06) Quit Firmware Password Utility

Click quit when you are done.

07) Restart

Click on the  menu and select Restart to reboot your computer and get back to work.

08) How Firmware Passwords Protect Stolen Macs

In addition to setting your Mac’s firmware password, it’s a good idea to use a lost computer recovery service like Digital Sentry. These services will track the geolocation of your stolen Mac, take screenshots and camera photos of the thief, log keystrokes and even let you remote wipe the computer if necessary. And since you’ve enabled a firmware password, the thief can’t erase your hard drive and remove the software!


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Category: Software, DIY & Tutorials Tag: Apple, EFI, Extensible Firmware Interface, FileVault, firmware, Firmware Password Utility, mac, Mac OS, Mac OS X, motherboard, password, Recovery Mode, Security, theft
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