Maintenance and Service Guide

Remove the speakers:
1. Remove the two Phillips PM2.4×3.7 screws (1) that secure the speakers to the bottom cover.
2. Release the speakers cables from the retention clips (2) built into the bottom cover.
3. Remove the speakers (3).
Reverse this procedure to install the speakers.
Power button board
Description Spare part number
Power button board (includes cable) 768009-001
Before removing the power button board, follow these steps:
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 from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover (see
Keyboard/top cover on page 34).
5. Remove the battery (see
Battery on page 38).
46 Chapter 5 Removal and replacement procedures