Difficulty

Moderate

Steps

8

Time Required

                          25 minutes

Sections

4

  • Opening PowerMac G4 M5183 Case
  • 1 step
  • Main Fan
  • 2 steps
  • DVD-ROM Drive
  • 3 steps
  • Power Supply
  • 2 steps

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Introduction

What you need

Step 1

              Opening PowerMac G4 M5183 Case
  • 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.

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.

1024

Step 2

              Main Fan
  • 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.

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.

Step 3

  • Remove the power cable from the fan and detach bracing.

Remove the power cable from the fan and detach bracing.

Step 4

              DVD-ROM Drive
  • 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.

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.

Step 5

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

Remove the two screws on the front of the drive with the Phillips #1 screwdriver.

Step 6

  • Pull the drive out to allow access to the power and ribbon cables. Do not fully remove.
  • 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.

Step 7

              Power Supply
  • 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.

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.

Step 8

  • Remove power cable from the logic board.
  • Remove power cable from hard drive.
  • 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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                                                                                      18 other people completed this guide.

Author

                                      with 5 other contributors 


                    Justin Petrilli

Member since: 01/21/2010

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                                      11 Guides authored                  



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                       Cal Poly, Team 13-24, Maness Winter 2010                        

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                                            25 Guides authored

Bill Pitts - Mar 7, 2017

Reply

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.

ipodista - Jul 4, 2019

Reply

ditto…. like Bill I had a faithful G4 i use to archive some old OS9 files that need specific software that never went to OS X and some very basic Apache web server stuff. Mostly sleeping it went pop one day, I had replaced it a few years previously after a pram issue with a clean SH unit which i just swopped drives over, so getting sleeping beauty down from attic, following instructions I removed the power pac and in 30 minus the dead mac was running again and archive is protected