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.
6-cell, 4.0-Amp hour
Maintenance and Service Guide
Battery Spare Part Number Information
Removal and Replacement Procedures
435779-001
5–5