If you have a 2017 or earlier model which uses a Magsafe charger, then most likely the Monterey upgrade corrupted the system firmware and there is nothing you can do but have the Logic Board replaced. Revive or restore a Mac with Apple silicon using Apple Configurator 2 - Apple Support Revive or restore an Intel-based Mac using Apple Configurator 2 - Apple Support ![]() If "Reviving" or "Restoring" the firmware does not work, then most likely the Logic Board will need to be replaced. If you don't have access to the necessary Mac, then you will need to have the Apple Store or an Apple Authorized Service Provider to attempt this procedure for you. This procedure will require access to another Mac running macOS 10.15+. If you have a 2018+ model with the T2 security chip or an M1 Mac, then try "Reviving" or "Restoring" the T2 firmware.
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