Maintenance and Service Guide

Speakers
Description Spare part number
Speakers (include thermal grease) L25229-001
Before removing the speakers, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 38).
5. Remove the battery (see Battery on page 40).
6. Remove the hard drive (see Hard drive on page 48).
7. Remove the fans (see Fans on page 51).
8. Remove the system board (see System board on page 61).
To remove the speakers:
1. Remove the Phillips broad head M2.0×2.0 screw (1) that secures the speaker to the computer.
2. Remove the speakers from the computer (2).
Reverse this procedure to install the speakers.
64 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts