Should I lock or erase a stolen Mac?
Likewise, people ask, should I lock my Mac if stolen?
Lock is a good option if you think you might be able to get your Mac back but don't want to take any chances with the data. If you opt to remotely lock your MacBook (or any of the other devices) it will shut down and set a four-digit passcode of your choosing. It won't then reboot without the correct passcode.
Similarly, you may ask, can a locked Mac be erased?
Tip: A locked Mac cannot be remotely erased, so only lock your Mac if you're confident you can recover it. The lock command will go through the next time the Mac goes online. The Mac will restart on its own, and the new lock screen will appear.
Click Erase This Device. Click Erase This [device], then do one of the following: For a Mac: For a Mac, you must create a numeric passcode, even if you already have a password set up on your Mac. This passcode is distinct from your password and is only used when you mark your device as lost or want to erase it.