4. Remove the fingerprint reader board (4).
Reverse this procedure to install the fingerprint reader board.
TouchPad
Description Spare part number
TouchPad (includes cable) 793720-001
Before removing the TouchPad, follow these steps:
1. Shut down the keyboard base. If you are unsure whether the keyboard base is off or in Hibernation, turn
the keyboard base on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the keyboard base.
3. Disconnect the power from the keyboard base by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the keyboard base.
4. Remove the bottom cover (see Bottom cover on page 74).
5. Remove the keyboard base battery (see Keyboard base battery on page 75).
Remove the TouchPad:
1. Disconnect the TouchPad cable from the LIF connector (1) on smart card reader board.
2. Remove the four Phillips PM1.5×2.7 screws (2) that secure the TouchPad to the top cover.
TouchPad 81