Activation Lock helps you keep your Mac secure if it's ever lost, stolen, or misplaced, and can improve your chances of recovering it. Activation Lock can continue to deter anyone from reactivating your device without your permission, even if you erase your device remotely. All you need to do is keep Find My Mac turned on, and remember your Apple ID and password.
What you need
- Upgrade your Mac to macOS Catalina.
- Your Mac must have the Apple T2 Security Chip. You can learn whether your Mac has this chip in Apple menu > About this Mac > System Report > Controller.
- Enable two-factor authentication for your Apple ID.
- Leave Secure Boot enabled on its default setting, Full Security, with 'Disallow booting from external media' selected under the External Boot section.
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How it works
When you turn on Find My Mac, your Apple ID password or device passcode is required before anyone can turn off Find My, erase your Mac, or reactivate and use your Mac.
Activation Lock is automatically enabled when you set up Find My on devices that meet its system requirements.
If your Mac goes missing
If you ever misplace your device or think it may have been stolen, you can sign into iCloud.com or use the Find My app to locate your device on a map, play a sound, lock your Mac, or erase it. Activation Lock works in the background to make it more difficult for someone to use or sell your missing device, but you can still remotely lock your device with Find My to secure it with a unique passcode and display a message onscreen for anyone who may find it.
How to check that Activation Lock is on
- Choose Apple menu > About this Mac.
- Click System Report.
- Click Activation Lock Status under Hardware.
Turn off Activation Lock before you send your Mac in for service, sell it, or give it away
Before you send your Mac in for service, sell it, or give it away, you should turn off Activation Lock. If you have access to the device, turn off Find My Mac to disable Activation Lock, and then sign out of iCloud. Kb software, free download.
![Apple Macbook Pro Locked Out Apple Macbook Pro Locked Out](https://2.bp.blogspot.com/-6wxubihVYB0/U1caQyTmsEI/AAAAAAAAAfs/TRyHWcKoBYg/s1600/index.jpg)
- Choose Apple menu > System Preferences.
- Click Apple ID, then click iCloud.
- Turn off Find My Mac.
- Click the Sign Out button.
If you can't access your Mac and you need to turn off Activation Lock, follow these steps.
- Go to iCloud.com and sign in with your Apple ID.
- Click Find iPhone.
- Select All Devices, then click your Mac.
- Click Erase Mac. Select Next until the device is erased.
- Click next to your Mac.
What to do if your Mac starts up to an Activate Mac window
If you've purchased a Mac from someone other than Apple or an authorized Apple reseller and the device starts up to an Activate Mac window, the device is still linked to the previous owner's account. You'll need to ask them to remove the device from their account.
Activation Lock is designed to keep your device and your information safe in case your iPhone, iPad, iPod touch, Apple Watch, or Mac is ever lost or stolen. If you erase your device without signing out of iCloud first, it might still be protected by Activation Lock.
Whether you erased your own device or bought one from someone else, you can turn off Activation Lock by entering the correct Apple ID and password.
Forgot your Apple ID or your Apple ID password?
If you erased your own device
If you don't sign out of iCloud before you put your device in recovery mode and restore, it might remain in Activation Lock. That means you need to enter the same Apple ID and password that you used when you previously set up the device.
If you have iOS 11 or later and your account is protected with two-factor authentication, you can turn off Activation Lock with your device passcode. Tap Unlock with Passcode, then tap Use Device Passcode. Learn more about using a passcode.
If you still need help removing Activation Lock from your own device, contact Apple Support.
If you bought the device from someone else
Before you buy an iPhone, iPad, or iPod touch from someone other than Apple or an authorized Apple reseller, make sure that the device is erased and no longer linked to the previous owner’s account. Learn what to do if an Apple Watch or Mac is still protected by Activation Lock.
If you turn on your iPhone, iPad, or iPod touch and see one of these screens, you need help from the previous owner.
If you see the Activation Lock screen, the device is still linked to the previous owner's account.
If you see the passcode lock screen or the Home screen, the device isn't erased.
Ask the previous owner for help
If the device is linked to a previous owner's account and they're close by, ask them to enter their Apple ID and password on the Activation Lock screen and remove the device from their account.
If you see the passcode screen and the device isn't erased, ask the previous owner to unlock the device and go to Settings > General > Reset > Erase All Content and Settings. They'll need to enter their Apple ID and password.
If the previous owner isn't with you
If the previous owner isn't present, contact them and ask them to remove the device from their account:
- Sign in to iCloud.com with their Apple ID.
- Go to Find My iPhone.
- Click All Devices at the top of the screen.
- Select the device that you want to remove from iCloud.
- Click Erase [device]. Select Next until the device is erased.
- Click Remove from Account.
After the previous owner removes the device from their account, turn off the device and then turn it back on to begin the setup process.
Learn more
Apple Macbook Pro Locked Up
- Get help with iPhone activation issues.
- Learn how to turn off Find My on your iPhone, iPad or iPod touch.
- Learn what to do before you sell or give away your iPhone, iPad, or iPod touch.
- If you can't remember your Apple ID or password, learn how to find your Apple ID or reset your password.