Power Mac G4 M5183 Internal Battery Replacement

Written By: Justin Petrilli
  • Comments: 5
Power Mac G4 M5183 Internal Battery Replacement

Difficulty

Very easy

Steps

2

Time Required

10 minutes

Introduction

Replacing the internal battery which regulates several functions in the computer, including the calendar.

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    • 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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    giorgus -

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    • Locate the battery.

    • Remove and replace battery.

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

Author

Justin Petrilli

Member since: 21/01/10

3114 Reputation

4 comments

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

Thank you!

Lars-Peter Jorgensen -

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

rwwseditor -

Hi

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

Please advise.

Rgds

Duard

Duard Kleyn -

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.

Robert Nicholson -