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Yesterday I locked a student's Mac using the Management Command. The Mac was brought in this morning and I accidentally typed in the wrong passcode. There wasn't an option to retry and the screen displayed 'try again in XX minute'. In Management history I can view the passcode, but there isn't an option to unlock.



After an hour, I clicked on the trackpad to wake the Mac and there wasn't an option to unlock the Mac, just "Wrong Passcode. Try Again."



Any ideas on how to unlock the student's MBP?



Thanks! Corbin

Corbin-



Boot into internet recovery, you will be prompted to enter in the passcode that you chose when first locking the machine.



command alt R



I ran into this same issue a couple weeks ago and I was able to resolve using this method.

Almost every time that we lock a device the students try to guess the passcode, so I've seen this several times. Applecare won't handle this type of request, so each device has to be taken in to an Apple store to have the lock removed. You will need to bring along proof of purchase for the device.

Thanks!

Actually just went through this process today. If you have access to GSX just start an SPS chat and they can guide you through an EFI reset that cleared the activation lock.

Internet Recovery is not working for me. I guess I am planning a trip to my local Apple store.

Is the Apple Store the only fix?

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