Apple fixes bug that caused macOS Monterey update to brick some Apple T2 Macs

Enlarge / A MacBook Professional working macOS Monterey.


Apple has fastened a Mac firmware bug that had bricked some customers’ Macs after they put in the macOS Monterey update, in accordance with Apple reporter Rene Ritchie. The fixes apply to Macs with an Apple T2 chip, which covers most Intel Macs launched in or after 2018.

“We’ve recognized and glued a problem with the firmware on the Apple T2 safety chip that prevented a really small variety of customers from booting up their Mac after updating macOS,” the assertion reads. “The up to date firmware is now included with the present macOS updates. Any customers impacted by this situation can contact Apple Help for help.”

The assertion would not tackle related complaints by homeowners of pre-T2 Macs. We have requested Apple whether or not there are different fixes coming—as we defined earlier this week, these sorts of issues may be brought on by all the things from software program and firmware bugs to underlying {hardware} points, so it is potential that these experiences are one-off issues that Apple cannot repair on its finish. We’ll replace if we get a response.

In case your Mac has been affected by this bug, you might be able to recuperate its firmware utilizing a USB-C or Thunderbolt cable, one other Mac, and the Apple Configurator 2 app. Apple particulars the restoration course of here—if you may get the “revive gadget” choice to work, you should not lose any information in your Mac’s inside drive.

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