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Power Mac G4 M5183 Logic Board Replacement

Introduction

This guide will show you how to remove the PowerMac logic board.

What you need

  1. Power Mac G4 M5183 Logic Board Replacement, Power Mac G4 M5183 Logic Board Replacement: step 1, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement, Power Mac G4 M5183 Logic Board Replacement: step 1, image 2 of 2

    • 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.

  2. Power Mac G4 M5183 Logic Board Replacement: step 2, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement: step 2, image 2 of 2

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

    • Fully remove the clips by lifting upwards.

  3. Power Mac G4 M5183 Logic Board Replacement: step 3, image 1 of 1

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

  5. Power Mac G4 M5183 Logic Board Replacement: step 4, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement: step 4, image 2 of 2

    • Locate the RAM modules.

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

  6. Power Mac G4 M5183 Logic Board Replacement: step 5, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement: step 5, image 2 of 2

    • Remove the single screw with the Phillips #1 screwdriver.

    • Pull the graphics card up and out.

  7. Power Mac G4 M5183 Logic Board Replacement: step 6, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement: step 6, image 2 of 2

    • Remove the six indicated cables attached to the logic board.

    • Use the spudger to remove the modem cable as indicated.

  8. Power Mac G4 M5183 Logic Board Replacement: step 7, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement: step 7, image 2 of 2

    • 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.

  9. Power Mac G4 M5183 Logic Board Replacement: step 8, image 1 of 1

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

Finish Line

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Member since: 09/24/09

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