TouchPad button board
Description Spare part number
TouchPad button board (includes TouchPad cable, TouchPad button board cable, and
TouchPad button board bracket)
730898-001
Before removing the TouchPad button board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 33), and then remove the following components:
a. Service door (see
Service door on page 34)
b. Display assembly (see
Display assembly on page 46)
c. Bottom cover (see
Bottom cover on page 54)
Remove the TouchPad button board:
1. Release the ZIF connector (1) to which the TouchPad board cable is attached, and then
disconnect the TouchPad board cable from the TouchPad board.
2. Remove the two Phillips PM2.0×4.5 screws (2) that secure the TouchPad button board to the
top cover.
3. Remove the TouchPad button board bracket (3).
58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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