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Введение

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

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  1. Mac Pro First Generation Power Supply Unit Replacement, Case Panel: step 1, image 1 of 1
    • Lift the lever to unlock the case.

  2. Mac Pro First Generation Power Supply Unit Replacement: step 2, image 1 of 1
    • Remove the side panel of the Mac Pro.

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

  3. Mac Pro First Generation Power Supply Unit Replacement, Removing the Disk Drive: step 3, image 1 of 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Disk Drive: step 3, image 2 of 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Disk Drive: step 3, image 3 of 3
    • 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.

  4. Mac Pro First Generation Power Supply Unit Replacement, Unplugging the Disk Drive: step 4, image 1 of 2 Mac Pro First Generation Power Supply Unit Replacement, Unplugging the Disk Drive: step 4, image 2 of 2
    • Firmly hold each of the two connectors and pull them out of their respective sockets.

  5. Mac Pro First Generation Power Supply Unit Replacement, Un-Mounting the Power Supply Unit: step 5, image 1 of 2 Mac Pro First Generation Power Supply Unit Replacement, Un-Mounting the Power Supply Unit: step 5, image 2 of 2
    • 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.

    • Note the different PSU for Mac Pro 1,1 through 3,1 versus Mac Pro 4,1 and 5,1.

  6. Mac Pro First Generation Power Supply Unit Replacement, Removing the Power Supply: step 6, image 1 of 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Power Supply: step 6, image 2 of 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Power Supply: step 6, image 3 of 3
    • 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 - Ответить

    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 - Ответить

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

    Tino - Ответить

  7. Mac Pro First Generation Power Supply Unit Replacement, If power Supply only comes out a few Inches.: step 7, image 1 of 2 Mac Pro First Generation Power Supply Unit Replacement, If power Supply only comes out a few Inches.: step 7, image 2 of 2
    • 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 - Ответить

    I have a Mac Pro 3.1 and I’m having problems in reassembling the power supply. It seems that the cables prevent the PSU to sit flush and to be screwed back in place. where should I tuck the cables? It seems unnecessary hard - therefore I must be doing something wrong.

    Riccardo - Ответить

  8. Mac Pro First Generation Power Supply Unit Replacement, Disconnecting the Power Supply: step 8, image 1 of 2 Mac Pro First Generation Power Supply Unit Replacement, Disconnecting the Power Supply: step 8, image 2 of 2
    • 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.

    In my early 2008 mac pro, the power supply cords (female side) were secured to the case with hooks & loop tape (velcro), and I had to carefully release these before I could grasp the clips to release the connectors.

    sunnyjono - Ответить

    Hi, I’m having issues in reassembling the power supply. The cables won’t fold right and prevent the power supply to sit well at the bottom of the case (the side). Are there photos to show how the cables should fold, and where?

    Thanks!

    Riccardo - Ответить

Заключение

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

70 участников успешно повторили данное руководство.

Eric Kuhta

Участник с: 12.10.2014

1 129 Репутация

1 руководство автора

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Cal Poly, Team 6-24, Maness Fall 2014 Участник Cal Poly, Team 6-24, Maness Fall 2014

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Автор 13 руководств

21 Comments

15 min power on after off

Manish Kumar - Ответить

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 - Ответить

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 - Ответить

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 - Ответить

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 - Ответить

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 - Ответить

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 - Ответить

Hoi fixed in aprox 35 minutes works perfect

Henry Keijzer - Ответить

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 - Ответить

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

Doug Boyne - Ответить

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 - Ответить

Awesome Dude, you are! Thank you very much!

Michael Reibel - Ответить

Where can i get a MacPro 1.1 power supply in good working condition to replace my unit? APPLE PART NUMBER IS: 614-0383

riquivelarde - Ответить

Hi Eric, Thanks for posting this. Im looking at replacing my early 2008 macpro power supply due to random restart issues. I’ve been told that the screws require torx not hex, and I see some folks saying that 2.5 mm hex didn’t work. If you or anyone else can clarify I’d really appreciate it.

Thanks -

Joe Hall - Ответить

Seriously , To remove the 4 marked 6-32 hex screws was a pain!!!! TIP: I was almost trowing thetower when my wife suggested me to cut a little peace of rubber from an old rubber glove from the kitchen and use it as a cushion to tight the connection between the hole of the screw and the screwdriver. I must tell you all, I managed but it was not ease!!! :-)

rock - Ответить

Ok I did it. Hope it works now. Took me about 40 minutes of non stop cursing. But I did it. Thanks for the instructions. I didn’t bother putting that one screw back in…

Nick - Ответить

where can i get the power supply fan for my 2009 Mac Pro? Mine is not working well. Makes a terrible sound…..

3D Renders - Ответить

I have a problem with my MAc pro 3.1 not always starts, (when it starts runs perfect) it seems the power supply, this is I’m here, nut I’m not sure that is the real propblm and I don’t want to waste money!

Gigi D'Amico - Ответить

can we fix normal power supply in mac pro 1289 (normal pcs ) while its difficult to get the original here

AHMED355 - Ответить

Fairly easy install. Hardest part was getting the cover plate behind the DVD drive back in place. My hands are too big to fit in there and it takes a very long screwdriver to reach.

My cable connectors were held in place by velcro. Found it much easier to remove the cover plate, unplug the connectors, then pull the power supply out.

glenthompson - Ответить

I have reconnected all the cables correctly i hope, but my unit doesn't want to go all the way in. Izit the way the wires are bundled at the bottom of it? And how can i flatten it a bit so it doesn't for a heap at the bottom? It stick out about 5-8cm above the flush surface..

Gilbert Scheepers - Ответить

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