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mac pro 5.1 bootroom

  1. sbyseven

    MP 1,1-5,1 Strange issues with my cinema display 27

    Hi all, I have a cinema display 27 with a mac pro 5.1 that works when it wants. If I don't make any changes to the software it usually works perfectly, but if I make any changes like updates or so, it doesn't work at all; even if I plug it into a mac mini 2012 or my MacBook air 2017 it doesn't...
    • sbyseven
    • Thread
    • 27 display 27 inch cinema display cinema cinema display cinema led display cinema screen mac pro 5.1 2010 mac pro 5.1 boot issue mac pro 5.1 bootroom
    • Replies: 3
    • Forum: Mac Pro
  2. 1

    MP 1,1-5,1 Unable to Upgrade Firmware on Mac Pro 5,1 (2012) High Sierra

    Hi just bought a Mac Pro, 5,1 (2012) model. I'm running Mac os High Sierra 10.13 and downloaded Mojave. I've done some search to update the firmware on the Mac pro but getting an error which I don't understand. When I click the installer I get this error? installing macos mojave on this mac...
    • 149TM
    • Thread
    • mac pro 5.1 (2012) mac pro 5.1 bootroom
    • Replies: 8
    • Forum: Mac Pro
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