Power Mac G4 M5183 Internal Battery Replacement Repair Guide

Difficulty

Very easy

Steps

Time Required

                          10 minutes

Sections

Opening PowerMac G4 M5183 Case
1 step
Internal Battery
1 step

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Introduction

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.

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Step 2

              Internal Battery

Locate the battery.
Remove and replace battery.
Push the PMU button once, and only once, to reset the power supply.

Locate the battery.

Remove and replace battery.

Push the PMU button once, and only once, to reset the power supply.

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                                                                                      20 other people completed this guide.

Author

                                      with 3 other contributors

                    Justin Petrilli

Member since: 01/21/2010

3,075 Reputation

                                      11 Guides authored                  



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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

Lars-Peter Jorgensen - Feb 10, 2018

Nice simple post. You might make the battery number / size more obvious, for anxious nerds like me…

Thank you!

rwwseditor - Mar 26, 2020

Not bad, but PMU button location is not explained… the button on the front to start it?

Duard Kleyn - Jun 8, 2021

Will a 3V Lithium battery work or must it be 3.6V?

Please advise.

Rgds

Duard

Robert Nicholson - Dec 22, 2022

The PMU reset button is inside the casing, on the same circuit board as the backup battery holder. See the second photo, it’s a small silver square with a circular black button inset into its top and PMU Reset in tiny white lettering beside it. The photo shows it near to the battery holder but on my model the button is further away on the far corner of the circuit board. Look around for it. Insert the new battery then press the reset ONE time only.

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Introduction

Team