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Mac Pro First Generation Power Supply Unit Replacement

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: шаг 1, изображение 1 из 1

    • Lift the lever to unlock the case.

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  2. Mac Pro First Generation Power Supply Unit Replacement: шаг 2, изображение 1 из 1
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    • Remove the side panel of the Mac Pro.

    • Discharge any static electricity by touching a grounded surface prior to working on any internal components. Touching the metal PCI slot covers works great, or any other grounded metal surface. You can also wear a anti-static wrist strap.

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  3. Mac Pro First Generation Power Supply Unit Replacement, Removing the Disk Drive: шаг 3, изображение 1 из 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Disk Drive: шаг 3, изображение 2 из 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Disk Drive: шаг 3, изображение 3 из 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.

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  5. Mac Pro First Generation Power Supply Unit Replacement, Unplugging the Disk Drive: шаг 4, изображение 1 из 2 Mac Pro First Generation Power Supply Unit Replacement, Unplugging the Disk Drive: шаг 4, изображение 2 из 2

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

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  6. Mac Pro First Generation Power Supply Unit Replacement, Un-Mounting the Power Supply Unit: шаг 5, изображение 1 из 2 Mac Pro First Generation Power Supply Unit Replacement, Un-Mounting the Power Supply Unit: шаг 5, изображение 2 из 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.

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  7. Mac Pro First Generation Power Supply Unit Replacement, Removing the Power Supply: шаг 6, изображение 1 из 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Power Supply: шаг 6, изображение 2 из 3 Mac Pro First Generation Power Supply Unit Replacement, Removing the Power Supply: шаг 6, изображение 3 из 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.

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  8. Mac Pro First Generation Power Supply Unit Replacement, If power Supply only comes out a few Inches.: шаг 7, изображение 1 из 2 Mac Pro First Generation Power Supply Unit Replacement, If power Supply only comes out a few Inches.: шаг 7, изображение 2 из 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.

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  9. Mac Pro First Generation Power Supply Unit Replacement, Disconnecting the Power Supply: шаг 8, изображение 1 из 2 Mac Pro First Generation Power Supply Unit Replacement, Disconnecting the Power Supply: шаг 8, изображение 2 из 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.

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Заключение

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

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Eric Kuhta

Участник с: 10/12/14

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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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23 Комментариев

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

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