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I remember helping a friend a few years ago who thought he had truly bricked his MacBook. There is a restore process that reinstalls the OS when an update goes

I remember helping a friend a few years ago who thought he had truly bricked his MacBook. There is a restore process that reinstalls the OS when an update goes wrong. I don’t recall the process now as I’ve never needed it since but it is somewhere on Apples site. I seriously doubt these laptops are truly bricked. Obviously something cause the installer to fail but there are recovery options built in that are not part of the OS. this is probably a good place to start https://support.apple.com/guide/mac-help/macos-recovery-a-mac-apple-silicon-mchl82829c17/12.0/mac/12.0 https://support.apple.com/guide/mac-help/macos-recovery-a-ma...

thesquib 5y ago
Unfortunately they won't even turn on so this won't work.
- my123 5y ago
  The recovery process is bootROM (non-erasable) based, it works even if they cannot be turned on. For T2: https://support.apple.com/guide/apple-configurator-2/revive-or-restore-an-intel-based-mac-apdebea5be51/mac https://support.apple.com/guide/apple-configurator-2/revive-... For M1: https://support.apple.com/en-gb/guide/apple-configurator-2/apdd5f3c75ad/mac https://support.apple.com/en-gb/guide/apple-configurator-2/a...
my123 5y ago
(this recovery process is also available for Apple T2 x86 Macs)