TouchPad button board
Description Spare part number
Touchpad button board (includes bracket and cable) 616493-001
Before removing the TouchPad button board:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4. Remove the battery (see
Battery on page 41).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 42)
b. Optical drive (see
Optical drive on page 45)
c. Keyboard (see
Keyboard on page 53)
d. Top cover (see
Top cover on page 56)
Remove the TouchPad button board:
1. Turn the top cover upside down with the front toward you.
2. Remove the four Phillips PM2.0×3.0 screws (1) that secure the TouchPad bracket to the top
cover.
3. Lift up and remove the TouchPad button board bracket (2). The TouchPad button is fused on the
TouchPad button board bracket.
Reverse the above procedure to reassemble and install the TouchPad button board.
Component replacement procedures 61
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