Maintenance and Service Guide

TouchPad button board
Table 6-10 Spare part description and number
Description Spare part number
TouchPad button board not spared
TouchPad button board cable L20451-001
Before removing the TouchPad button board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 28).
2. Remove the optical drive (see Optical drive on page 29).
3. Remove the bottom cover (see Bottom cover on page 32).
4. Remove the battery (see Battery on page 34).
Remove the TouchPad button board:
1. Disconnect the system board cable from the ZIF connector on the TouchPad button board (1).
2. Disconnect the TouchPad cable from the ZIF connector on the TouchPad button board (2).
3. Remove the two Phillips M2.0 × 3.0 screws (3) that secure the board to the computer.
4. Remove the TouchPad button board from the computer (4).
Reverse this procedure to install the TouchPad button board.
46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts