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thunderbolt 1 connection poroblems

  1. G

    Thunderbolt 1 failure

    Hello My Thunderbolt 1 port connection has ceased working on my Mac Mini (late2012) - presumably the Thunderbolt connection stopped working since updating from Sierra OS to High Sierra OS. In the meantime, I have reverted back to El Capitan OS - but still, there is no Thunderbolt connection. I...