Maintenance and Service Guide

Remove the fan:

1. Disconnect the fan cable (1) from the system board.

2. Remove the two Phillips PM2.4×5.7 screws (2) that secure the fan to the bottom cover.

3. Remove the fan (3).

Reverse this procedure to install the fan.

Speakers

Description Spare part number

Speakers (include left and right speakers and cables) 768024-001

Before removing the speakers, 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).

6. Remove the audio/USB board (see

Audio/USB board on page 43).

Speakers