Difficulty

Easy

Steps

8

Time Required

                          20 minutes

Sections

5

  • Opening PowerMac G4 M5183 Case
  • 1 step
  • Heat Sink
  • 2 steps
  • RAM
  • 1 step
  • Graphics Card
  • 1 step
  • Logic Board
  • 3 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

              Heat Sink
  • Use the spudger to pry the clips horizontally off of the heat sink.
  • Fully remove the clips by lifting upwards.

Use the spudger to pry the clips horizontally off of the heat sink.

Fully remove the clips by lifting upwards.

Step 3

  • Remove the heat sink by pulling upwards, off of the logic board.

Remove the heat sink by pulling upwards, off of the logic board.

Step 4

              RAM
  • Locate the RAM modules.
  • Pull side tabs outward. The RAM will pop out of the housing.

Locate the RAM modules.

Pull side tabs outward. The RAM will pop out of the housing.

Step 5

              Graphics Card
  • Remove the single screw with the Phillips #1 screwdriver.
  • Pull the graphics card up and out.

Remove the single screw with the Phillips #1 screwdriver.

Pull the graphics card up and out.

Step 6

              Logic Board
  • Remove the six indicated cables attached to the logic board.
  • Use the spudger to remove the modem cable as indicated.

Remove the six indicated cables attached to the logic board.

Use the spudger to remove the modem cable as indicated.

Step 7

  • Unfasten 3 Phillips screws revealed beneath the heat sink on the CPU board.
  • Carefully remove the CPU board from the Mother Board.
  • Remove the barrell nut screws from the Mother Board which held the CPU board.
  • Unfasten 3 Phillips #1 screws on Mother Board as shown in illustration 1.
  • Slide the logic board about a quarter of an inch to free it from the three retaining pins.
  • Pull upwards and outwards to fully remove the logic board.

Unfasten 3 Phillips screws revealed beneath the heat sink on the CPU board.

Carefully remove the CPU board from the Mother Board.

Remove the barrell nut screws from the Mother Board which held the CPU board.

Unfasten 3 Phillips #1 screws on Mother Board as shown in illustration 1.

Slide the logic board about a quarter of an inch to free it from the three retaining pins.

Pull upwards and outwards to fully remove the logic board.

Step 8

  • After removing the (3) #2 philips screws, remove the (4) 1/4" hex nuts, then slide as directed and remove board.

After removing the (3) #2 philips screws, remove the (4) 1/4" hex nuts, then slide as directed and remove board.

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Author

                                      with 7 other contributors 


                    Justin Petrilli

Member since: 01/21/2010

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                       Cal Poly, Team 13-24, Maness Winter 2010                        

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                                            25 Guides authored

Chad O - Mar 18, 2014

Reply

D george - Jan 12, 2016

Reply

Are the “hex nuts” under the processor board? Could you provide a close up picture of the “nuts?”

Sandra Cai - Sep 25, 2019

Reply

So what is being replaced here? Wouldn’t one have to purchase a new logic board? Any info would be greatly appreciated!