Introduzione

Accessing and removing the power supply unit is relatively straightforward, and will require a 2mm Hex screwdriver.

Lift the lever to unlock the case.
  • Lift the lever to unlock the case.

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Remove the side panel of the Mac Pro.
  • Remove the side panel of the Mac Pro.

  • Discharge any static electricity by touching a grounded surface prior to working on any internal components.

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The optical drive must be removed to access the power supply unit Firmly grasp the handles of the shown compartment and pull out firmly to remove the optical drive bay. Firmly grasp the handles of the shown compartment and pull out firmly to remove the optical drive bay.
  • The optical drive must be removed to access the power supply unit

  • Firmly grasp the handles of the shown compartment and pull out firmly to remove the optical drive bay.

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Firmly hold each of the two connectors and pull them out of their respective sockets. Firmly hold each of the two connectors and pull them out of their respective sockets.
  • Firmly hold each of the two connectors and pull them out of their respective sockets.

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Remove the 4 marked 6-32 hex screws with a 2mm Phillips hex screwdriver.
  • Remove the 4 marked 6-32 hex screws with a 2mm Phillips hex screwdriver.

  • There are a number of Phillips head screws underneath. These don't need to be removed to remove the power supply.

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Be careful when pulling the power supply out, as it has several attached cables which don't have much slack. Grip the handle on the left side of the power supply casing while gripping the right side of the power supply casing and pull upwards firmly to to take it out. Grip the handle on the left side of the power supply casing while gripping the right side of the power supply casing and pull upwards firmly to to take it out.
  • Be careful when pulling the power supply out, as it has several attached cables which don't have much slack.

  • Grip the handle on the left side of the power supply casing while gripping the right side of the power supply casing and pull upwards firmly to to take it out.

This is not correct for the Mac Pro (Early 2008), a.k.a. MacPro3,1

In the MacPro3,1, the power supply screws are 2.5mm hex, not T-10.

Also, there is a cover plate behind the superdrive that has to be removed (2 phillips screws) to expose the power cable connections and those connectors must be detached before the power supply can be removed. 

Bernard - Replica

ty for this.

angelxmoreno -

My Mac Pro (Early 2008) had the cover plate over the connectors, but the 4 screws were 2.0mm hex rather than 2.5mm hex. Seems they didn't standardize on a single size.

Thomas Emmerich - Replica

my mac pro 4,1 (early 2009) also had the cover plate behind the superdrive. had to disconnect cable before pulling out psu.

Tino - Replica

For the Mac Pro (Early 2008/9), a.k.a. MacPro3,1 In the MacPro3,1, the power supply screws are 2.5mm hex, not T-10.  Also, there is a cover plate behind the superdrive that has to be removed (2 phillips screws) to expose the power cable connections and those connectors must be detached and slid under fan before the power supply can be removed. For the Mac Pro (Early 2008/9), a.k.a. MacPro3,1 In the MacPro3,1, the power supply screws are 2.5mm hex, not T-10.  Also, there is a cover plate behind the superdrive that has to be removed (2 phillips screws) to expose the power cable connections and those connectors must be detached and slid under fan before the power supply can be removed.
  • For the Mac Pro (Early 2008/9), a.k.a. MacPro3,1 In the MacPro3,1, the power supply screws are 2.5mm hex, not T-10. Also, there is a cover plate behind the superdrive that has to be removed (2 phillips screws) to expose the power cable connections and those connectors must be detached and slid under fan before the power supply can be removed.

Absolutly right.i've tried that and it works.I'm satisfied

multirecord - Replica

Locate the four marked cables Push down on the clip that is above each cable connector while firmly grasping each connector and pull each one back to remove each clip.
  • Locate the four marked cables

  • Push down on the clip that is above each cable connector while firmly grasping each connector and pull each one back to remove each clip.

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Conclusione

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

Altre 36 persone hanno completato questa guida.

Eric Kuhta

Membro da: 12/10/2014

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15 min power on after off

Manish Kumar - Replica

Hi

Very difficult to find the exact size of the bit for the screwdriver. And it is very tight to unscrew one of the screws.

Maybe I had spoiled the head of the screw.

What is the solution?

Thank you in advance.

Michel

Michel - Replica

missing a very crucial step before step 6. if you don't remove the cover (where cd rom is) and unplug the PSU cable, you'll damage something.

for screws, 2.5mm didn't work for me, but i used a 3/32 hex with ball end, and at an angle, it will loosen screws.

Tino - Replica

Doesn't work for a micron. Step 6 is impossible. Can't get the power supply out of its place more than a few centimeters. The side closest to the backplate of the casing can't come up only some millimeters, while also the fixed!! power cord is a serious obstruction.

Moreover there are nowhere cover plates left, so this is not a comparable situation as described in step 7.

Hugo Walg - Replica

My last remark should be forgotten. The power cord has been connected to the Mac pro to give the impression that it's mounted fixedly to the power supply. But if you pull with very much force (an attempt of despair), it then again appears to be a 3-hole connector like is the case for common computers. If you don't know these systems, this is very treacherous.

Hugo Walg - Replica

But now for something completely different:

Is there somebody who can tell, how you get the power supply out of its case? I removed 9 screws (these are accessible from the outside) but the power supply doesn't come out of its frame. It remains hidden into the aluminum case, and nothing can be examined.

Hugo Walg - Replica

You are awesome. The instructions were so clear that I would post the difficulty as low to moderate. I took out the power supply, wrote down the info, ordered another, cleaned fans, power supply unit, interior, etc. , replaced the original power supply, and it runs quietly and better than ever. I now have a back-up, and have a clean machine and some dust bunnies I am fostering. Any interest to adopt the dust bunnies please contact www.bunnydust.de. That's a dumb joke and not an endorsement

MrBuxley

Neal Walker - Replica

Hoi fixed in aprox 35 minutes works perfect

Henry Keijzer - Replica

It was a bit difficult and I have newer mac pro but i did it. Rejoice. Anybody still having problem let me know and I’ll tell how in better detail.

Doug Boyne - Replica

The screws are thee worst part. Really awkward. I’ll come back later sometime to check if any in distress.

Doug Boyne - Replica

Mine is Generation 5.something. I would say it is easier than this one, now that I have done it. But 20 to 25 minutes yea sure if you are an Apple genius but to Joe in the street it is rocket science.

Doug Boyne - Replica

Awesome Dude, you are! Thank you very much!

Michael Reibel - Replica

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