User Guide

© 2003 Apple Computer, Inc. All rights reserved.
PowerBook G4
Inverter Board
Replacement Instructions
The following instructions explain how to replace the inverter board in the PowerBook G4
computer.
Tools
Soft towel or cloth larger than the PowerBook
Torx T8 screwdriver
#1 Phillips screwdriver
Black stick (or other nonconductive plastic or nylon tool)
Note: To organize the screws you remove from the computer, use a tray with divided
compartments (such as a plastic ice cube tray).
Preliminary Steps
Before you begin, remove the following:
Battery
Keyboard
Modem
Bottom case
AirPort Card (if installed)
Hard drive
DVD-ROM drive
Logic board
Rib frame