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  1. JedNZ

    Resolved Mac Pro Server (Mid 2012) strange antics powering up

    Just bought another cMP 5,1 Server (Mid 2012) Quad-Core (single CPU). When I first plugged the power cable in it started automatically before I even hit the power button. All good, so I upgraded the firmware from the original 7F to 89, then popped a RX 580 in and upgraded to 144.0.0.0.0, but...
    • JedNZ
    • Thread
    • battery cmp diag power-on pram battery startup
    • Replies: 65
    • Forum: Mac Pro
  2. E

    Apple Mac Pro 2011 12-core 128gb Ram - No Power - Help

    Hello everyone my mac pro 2011 won't turn on, tried power pads not working. Red light flashes when AC cord is plug in wall socket. pressing DIG button i get 5v Stand by led. Only Jumper pads are not working. Removed all devices (Ram, Fans, ...(all) and tried with no successes. order a AC...
    • eugenio1991
    • Thread
    • 12 core 5v stby diag led mac memory osx power pro repair
    • Replies: 5
    • Forum: Mac Pro
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