This page provides Power Mac G4/Macintosh Server G4 power supply replacement instructions. Please read the instructions carefully and follow the steps to avoid damaging your computer equipment or voiding your warranty.
This document provides step-by-step instructions for replacing the power supply in a Power Mac G4 or Macintosh Server G4. It details the required tools, safety precautions regarding high voltage and electrostatic discharge, and procedures for removing the drive carrier to access internal components.
The guide covers disconnecting cables from CD/DVD and Zip drives, removing the rear panel screws with an Allen wrench, sliding out the old power supply, transferring mounting brackets, installing the new unit, and reconnecting all necessary power and data cables before closing the chassis.
The procedure requires a Phillips screwdriver and a 2.5mm Allen wrench.
You must shut down your computer and wait five minutes before continuing.
The power supply voltage switch must be set to 115 V in North America.