HP Compaq nc4400 Notebook PC - Maintenance and Service Guide

Removal and Replacement Procedures
Maintenance and Service Guide 5–5
5.3 Preparing the Computer for
Disassembly
Before you begin any removal or installation procedures:
1. Shut down the computer. If you are unsure whether the
computer is off or in hibernation, turn the computer on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.