proualexandre

Monterey (12.0.1) install fails with release 2.0.9 : "A required firmware update cannot be installed" on Mac Pro 2009

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I have tried to install macOS Monterey 12.0.1 with the latest Big Mac 2.0.9 release on my Mac Pro 2009 (firmware updated to Mac Pro 5.1 v144.0.0.0.0 and AMD RX580...