Introduction

This guide will help you in disassembling the power supply from your PowerMac.

Image 1/2: Lower door until it is level with your work surface. Image 2/2: Before working on the computer make sure it is not plugged into a power supply, then touch a metal object. This discharges static electricity, which could damage the computer.
  • Pull on outer latch.

  • Lower door until it is level with your work surface.

  • Before working on the computer make sure it is not plugged into a power supply, then touch a metal object. This discharges static electricity, which could damage the computer.

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Image 1/2: The fan housing will still be connected to the computer by a power cable which will be removed in the next step. Image 2/2: The fan housing will still be connected to the computer by a power cable which will be removed in the next step.
  • Remove the screw from each of the two niches on lower part of fan using the Phillips #1 screwdriver.

  • The fan housing will still be connected to the computer by a power cable which will be removed in the next step.

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Image 1/1:
  • Remove the power cable from the fan and detach bracing.

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Image 1/2: On the inside of the case, find the two plastic tabs. Image 2/2: While depressing the tabs, remove the faceplate by pulling and rotating outward.
  • Removing the faceplate.

    • On the inside of the case, find the two plastic tabs.

    • While depressing the tabs, remove the faceplate by pulling and rotating outward.

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Image 1/1:
  • Remove the two screws on the front of the drive with the Phillips #1 screwdriver.

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Image 1/3: Remove both the power and ribbon cable. Image 2/3: Remove both the power and ribbon cable. Image 3/3: Remove both the power and ribbon cable.
  • Pull the drive out to allow access to the power and ribbon cables. Do not fully remove.

  • Remove both the power and ribbon cable.

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Image 1/2: Remove the single screw on the side of the power supply casing with the Phillips #1 screwdriver. Image 2/2: Remove the single screw on the side of the power supply casing with the Phillips #1 screwdriver.
  • Remove the 3 hex screws on the back of the case.

  • Remove the single screw on the side of the power supply casing with the Phillips #1 screwdriver.

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Image 1/2: Remove power cable from hard drive. Image 2/2: Pull the power supply out and towards yourself.
  • Remove power cable from the logic board.

  • Remove power cable from hard drive.

  • Pull the power supply out and towards yourself.

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Finish Line

16 other people completed this guide.

Justin Petrilli

Member since: 01/21/2010

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Cal Poly, Team 13-24, Maness Winter 2010 Member of Cal Poly, Team 13-24, Maness Winter 2010

CPSU-MANESS-W10S13G24

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One Comment

Had a nearby lightning strike, "scrammed" my Mac, but couldn't start it up afterwards. Google led me to the ifixit site ( where I should have gone first!) and your instructions got me going again. Granted, I had an identical, spare Macintosh so I was able to pull that power supply to replace the damaged one and not have to wait for a replacement, but your step-by-step made the swap fairly easy! Thank you! I am happy tonight!

Now to order the replacement.

Bill Pitts - Reply

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