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TouchPad button board
Description Spare part number
TouchPad button board (includes bracket and cables) 689688-001
Before removing the TouchPad button board, 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 battery (see
Battery on page 36), and then remove the following components:
●
Memory module/wireless module compartment cover (see
WLAN module on page 45)
●
Hard drive (see
Hard drive on page 49)
●
Keyboard (see
Keyboard on page 54)
●
Top cover (see
Top cover on page 57)
To remove the TouchPad button board:
1. Position the top cover upside down.
2. Remove the two Phillips PM2.0×3.0 screws (1) that secure the TouchPad button board and bracket to
the top cover.
3. Remove the bracket (2).
4. Release the ZIF connector to the TouchPad board cable (3), and then disconnect the cable from the
TouchPad board. (The TouchPad board is attached to the top cover and cannot be removed.)
ENWW Component replacement procedures 63