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  • matty
    Participant
    #1413327

    Macpro 5.1 ( mid 2010) RX-580, running Mojave fine for years  on PCI slot SSD. The install for Monterey downloaded from the app store and the  process begins but an error message about  a firmware update cannot be applied quits the process. Any ideas?

    Hi Martin,

    I’m afraid Monterey does not work with our Open Core yet. You can go as far as Big Sur for now.