User Guide

© 2003 Apple Computer, Inc. All rights reserved.
 PowerBook G4
Rib Frame and Heat Exchanger
Replacement Instructions
The following instructions explain how to replace the rib frame and the heat exchanger in
the PowerBook G4 computer.
Tools
• Soft towel or cloth larger than the PowerBook
• Torx T8 screwdriver
• Torx T6 screwdriver
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
• PC card cage