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Mac Pro Late 2013 CMOS Battery Replacement

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  1. Mac Pro Late 2013 CMOS Battery Replacement, Outer Case: passo 1, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement, Outer Case: passo 1, immagine 2 di 2
    • Slide the lock switch to the right, to the unlocked position.

  2. Mac Pro Late 2013 CMOS Battery Replacement: passo 2, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 2, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 2, immagine 3 di 3
    • Lift the outer case straight up off the Mac Pro.

    • It may help to push down on the center of the fan while lifting the case up.

  3. Mac Pro Late 2013 CMOS Battery Replacement, Fan Assembly: passo 3, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement, Fan Assembly: passo 3, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement, Fan Assembly: passo 3, immagine 3 di 3
    • Remove five 5.1 mm T10 Torx screws from around the outer perimeter of the fan assembly.

  4. Mac Pro Late 2013 CMOS Battery Replacement: passo 4, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 4, immagine 2 di 2
    • The fan assembly is attached to the rest of the computer by two cables on the IO board side.

    • Tilt the assembly up away from the IO board.

    • Do not try to remove the fan assembly yet, as it is still attached by two cables.

  5. Mac Pro Late 2013 CMOS Battery Replacement: passo 5, immagine 1 di 1
    • While supporting the fan assembly with one hand, loosen the two T8 captive screws in the fan cable bracket.

    • These screws are captive in the Mac Pro. Do not try to remove these screws from your Mac Pro.

  6. Mac Pro Late 2013 CMOS Battery Replacement: passo 6, immagine 1 di 1
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    • Use a pair of tweezers to pull the fan cable bracket away from the fan assembly.

  7. Mac Pro Late 2013 CMOS Battery Replacement: passo 7, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 7, immagine 2 di 2
    • Use the flat end of a spudger to disconnect the fan assembly ribbon cable from the IO board.

  8. Mac Pro Late 2013 CMOS Battery Replacement: passo 8, immagine 1 di 1
    • Disconnect the fan assembly antenna cable from the IO board.

    • Remove the fan assembly from the Mac Pro.

  9. Mac Pro Late 2013 CMOS Battery Replacement, Lower Case: passo 9, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement, Lower Case: passo 9, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement, Lower Case: passo 9, immagine 3 di 3
    • Flip the Mac Pro upside down, 180 degrees.

    • Remove five 5.1 mm T10 Torx screws from the outer perimeter of the lower case.

  10. Mac Pro Late 2013 CMOS Battery Replacement: passo 10, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 10, immagine 2 di 2
    • Carefully lift the lower case up and remove it from the Mac Pro.

  11. Mac Pro Late 2013 CMOS Battery Replacement, Interconnect Board: passo 11, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement, Interconnect Board: passo 11, immagine 2 di 2
    • Use the flat end of a spudger and a twisting motion to gently separate one side of the graphics card data connection.

  12. Mac Pro Late 2013 CMOS Battery Replacement: passo 12, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 12, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 12, immagine 3 di 3
    • Gently separate the other side as well.

    • Flip the connector up and out of the way of the graphics card.

    • Repeat this procedure on the other graphics card.

  13. Mac Pro Late 2013 CMOS Battery Replacement: passo 13, immagine 1 di 1
    • Remove the two 6.0 mm T8 Torx screws securing the interconnect board to the heat sink.

  14. Mac Pro Late 2013 CMOS Battery Replacement: passo 14, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 14, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 14, immagine 3 di 3
    • Gently walk the interconnect board straight up off the logic board's slot connection.

    • It is recommended to lift one side and then the other.

    • Do not try to remove the interconnect board from the Mac Pro yet, as it is still connected to the IO board.

  15. Mac Pro Late 2013 CMOS Battery Replacement: passo 15, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 15, immagine 2 di 2
    • Flip the interconnect board up and over, exposing the IO board data cable.

    • Use the same sort of twisting and spreading motion with the flat end of a spudger to separate one side of the IO board data cable.

  16. Mac Pro Late 2013 CMOS Battery Replacement: passo 16, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 16, immagine 2 di 2
    • Use the flat end of a spudger to separate the other side of the IO board data cable.

    • Bend the cable out of the way and remove the interconnect board from the Mac Pro.

  17. Mac Pro Late 2013 CMOS Battery Replacement, Power Supply Assembly: passo 17, immagine 1 di 1
    • Flip the Mac Pro back over and set it gently on a flat surface.

    • We recommend laying the Mac Pro on the corner of the heat sink and the two standoff screw posts that attach to the interconnect board.

  18. Mac Pro Late 2013 CMOS Battery Replacement: passo 18, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 18, immagine 2 di 2
    • Remove the two 3.6 mm T5 Torx screws from the sides of the power supply cage (one on each side).

  19. Mac Pro Late 2013 CMOS Battery Replacement: passo 19, immagine 1 di 1
    • Remove the power supply cage from the top of the power supply.

    • By removing this cage, you are exposing internal components of the power supply. Be very careful not to touch any of the power supply components or circuitry.

    • Be careful not to drop any screws or tools into the power supply, as this may damage the power supply.

  20. Mac Pro Late 2013 CMOS Battery Replacement: passo 20, immagine 1 di 1
    • Remove the four 5.5 mm T8 Torx screws securing the power supply assembly to the Mac Pro.

  21. Mac Pro Late 2013 CMOS Battery Replacement: passo 21, immagine 1 di 1
    • Remove the power supply assembly from the Mac Pro.

  22. Mac Pro Late 2013 CMOS Battery Replacement, Power Supply: passo 22, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement, Power Supply: passo 22, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement, Power Supply: passo 22, immagine 3 di 3
    • Use the flat end of a spudger to disconnect the power supply DC-Out connector from its socket on the IO board.

    • Use the tip of a spudger to disconnect the power supply data cable from its socket on the IO board.

    • For both cables, make sure to pry straight up on the connector, and not the socket.

  23. Mac Pro Late 2013 CMOS Battery Replacement: passo 23, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 23, immagine 2 di 2
    • Remove the four 9.0 mm silver T10 Torx screws from the sides of the power supply.

    • The power supply overhangs these screws somewhat, so you'll need to use a fixed screwdriver at a bit of an angle.

  24. Mac Pro Late 2013 CMOS Battery Replacement: passo 24, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 24, immagine 2 di 2
    • Gently shift the power supply to free the AC power inlet cable out of its plastic clip.

    • Be careful not to try to separate the power supply from the IO board assembly just yet, as it is still connected by the AC power inlet cable.

  25. Mac Pro Late 2013 CMOS Battery Replacement: passo 25, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 25, immagine 2 di 2
    • Flip the power supply back to expose the AC power inlet cable.

  26. Mac Pro Late 2013 CMOS Battery Replacement: passo 26, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 26, immagine 2 di 2
    • Squeeze the AC power inlet cable connector and pull it straight out of its socket in the power supply.

  27. Mac Pro Late 2013 CMOS Battery Replacement, IO Board: passo 27, immagine 1 di 1
    • Remove the two 9 mm silver T10 Torx screws securing the IO Board to the IO shield.

  28. Mac Pro Late 2013 CMOS Battery Replacement: passo 28, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 28, immagine 2 di 2
    • Lift the IO board up from the IO shield from the end with the AC plug.

    • Do not attempt to completely separate the IO board from the IO shield, as there are still two cables connecting the two components.

  29. Mac Pro Late 2013 CMOS Battery Replacement: passo 29, immagine 1 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 29, immagine 2 di 3 Mac Pro Late 2013 CMOS Battery Replacement: passo 29, immagine 3 di 3
    • Set the assembly down on a flat surface to access the connectors on the IO board.

    • Use the tip of a spudger to flip the retaining flap on the IO shield ribbon cable ZIF connector.

    • Disconnect the IO shield ribbon cable.

  30. Mac Pro Late 2013 CMOS Battery Replacement: passo 30, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement: passo 30, immagine 2 di 2
    • Squeeze and pull the audio jack ribbon cable connector from the IO board.

  31. Mac Pro Late 2013 CMOS Battery Replacement, CMOS Battery: passo 31, immagine 1 di 2 Mac Pro Late 2013 CMOS Battery Replacement, CMOS Battery: passo 31, immagine 2 di 2
    • Use the tip of a spudger to pry the CMOS battery out of its socket.

Conclusione

To reassemble your device, follow these instructions in reverse order.

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11 Commenti

A very good guide. I have a few notes from my experience replacing my battery.

In step 13 the torx screws securing the interconnect board to the heat sink were T-8 on my Mac but T-7 worked.

In step 23 a short arm Torx key would be helpful. Getting them out tore up the heads of the screws and getting back in was difficult without cross threading some of them. Bondhus (model no. 31832) sells a set that might help.

In step 29 if you don't reconnect the power supply data cable completely your Mac fan will run full speed and the processors will max out.

Don Hayashi - Replica

Seems like I need to replace the CMOS battery.

Which battery do I need to buy to replace the CMOS battery?

Jan - Replica

Yeah, could somebody please post the specifications for the replacement battery and maybe a source for it?

Doctor Macintosh - Replica

From the tear down, it's a Long-life BR-2032... I got mine at: https://www.amazon.com/PANASONIC-BATTERI.... Good luck! Great machine!

Wagon Fixin - Replica

Yes, the BR2032.

The difference between it and the CR2032 medical battery is the wider heat tolerance range, both extreme heat and cold of the BR. As these are known to get quite hot, get the BR2032.

The batteries in most Macs are easy to replace so substituting the common CR2032 works fine. Electrically, they are identical. The Mac Pro and the late 2009-2010 iMac are a bit time consuming (2009–10 iMacs have the battery on the back of the motherboard) so use the same one that Apple uses.

MikeHalloran - Replica

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