Touchpad button board
Description Spare part number
Touchpad button board 768212-001
Before removing the touchpad button board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst 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 30).
5. Remove the following components:
a. Service door (see Service door on page 31).
b. Keyboard (see Keyboard on page 40)
c. Hard drive (Hard drive on page 32)
d. Top cover (see Top cover on page 48)
Remove the touchpad button board:
1. Position the top cover upside-down.
2. Disconnect the cable from the touchpad (1).
3. Pull the board up and away from under the clips along the bottom of the touchpad (2).
4. Rotate the board to remove it from the top cover (3).
Component replacement procedures 57
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