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Power Mac G4 M5183 Logic Board Replacement

What you need

  1. Power Mac G4 M5183 Logic Board Replacement, Opening PowerMac G4 M5183 Case: step 1, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement, Opening PowerMac G4 M5183 Case: 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, Heat Sink: step 2, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement, Heat Sink: 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.

  4. Power Mac G4 M5183 Logic Board Replacement, RAM: step 4, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement, RAM: step 4, image 2 of 2
    • Locate the RAM modules.

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

  5. Power Mac G4 M5183 Logic Board Replacement, Graphics Card: step 5, image 1 of 2 Power Mac G4 M5183 Logic Board Replacement, Graphics Card: step 5, image 2 of 2
    • Remove the single screw with the Phillips #1 screwdriver.

    • Pull the graphics card up and out.

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

  7. 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.

  8. 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

15 other people completed this guide.

Justin Petrilli

Member since: 01/21/10

3,114 Reputation

11 Guides authored

Team

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

CPSU-MANESS-W10S13G24

4 Members

25 Guides authored

3 Comments

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

D george - Reply

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

Sandra Cai - Reply

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