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mac pro a1481

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    MP 6,1 Mac Pro 2013 A1481 Power Supply Test

    I have a Mac Pro 2013 A1481 with a suspected bad power supply, I would like to test the bus bars from the PSU to the logic board with a multimeter. Would anyone be able to provide some instructions on where to place the black (ground) probe and red probe? and what the proper voltage readings...
    • Raymacc
    • Thread
    • mac pro (2013) mac pro 6.1 mac pro a1481 power supply
    • Replies: 1
    • Forum: Mac Pro
  2. E

    MP 6,1 Mac Pro Cylinder led diagnostics

    Hi I’m trying to find a manual on the diagnostics light inside the Mac Pro late 2013 a1481 (cylinder) currenlty I have only 4 less lighting up (out of 7) and Mac won’t start up No chime sound,usb backlit keyboard not getting Light. I’ve tested the voltage and it seems to get more then 10v on...
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