Since macOS Monterey was released, there have been several Apple users who said that installing the update bricked their computers. It was unclear what might have caused the issue until today, as Rene Ritchie reports, he has received this statement from Apple citing an issue with the firmware of its T2 security chip (via 9to5Mac).
We have identified and fixed an issue with the firmware on the Apple T2 security chip that prevented a very small number of users from booting up their Mac after updating macOS. The updated firmware is now included with the existing macOS updates. Any users impacted by this issue can contact Apple Support for assistance.
There aren’t any specifics on the models affected, possible settings or configurations that…tech, The Verge