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full loading bar

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    MP 1,1-5,1 4,1 to 5,1 Mac pro stuck on full loading bar [Resolved]

    I've been trying desperately to get my 4,1 (firmware updated to 5,1) to boot back into High Sierra. Before making upgrades, my Mac Pro ran fine. I'm running a single Xeon X5675, and I upgraded from 16gb of 1033mhz RAM to 32gb of 1333mhz, as well as swapping out the default Nvidia GT 120 for an...
    • TurboChungus
    • Thread
    • full loading bar grey screen mac pro (early 2009) rx 570
    • Replies: 7
    • Forum: Mac Pro
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