Erasing, reactivating, restoring, recovering, rebooting the macOS device will not solve the problem. You enable this System Lock PIN when you turn on Find My and erase or report your MacBook Air (Pro) as lost through iCloud.Īll these types of MacBook Lock will not go away if you do not know the correct password. Thirdly, users can turn on the iCloud System PIN Lock on MacBook. This type of passcode protects a computer from untrusted firmware loads during startup. Secondly, users can enable EFI or the Extensible Firmware Interface password lock on MacBook with a T2 chip. And the owner can lock the computer in several ways.įirstly, when a user enables the Find My Mac app on MacBook, this tool automatically sets on the Activation Lock screen when someone enters an incorrect Apple ID and password. The T2 security chip controls the booting process and ensures that the MacBook Air (Pro) owner starts the system. It secures the most critical macOS options, including Activation Lock, storage of encrypted data, secure boot, etc. A MacBook Pro and MacBook Air, released in 2018 and later, both come with the T2 chip. Some Apple computers have an extra layer of protection, a T2 security chip.
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