HP 15-bn000 15-ay099 250 G5 Notebook PC 256 G5 Notebook PC - Maintenance and S - Page 80

TouchPad button board, To remove the TouchPad button board

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TouchPad button board Description TouchPad button board (includes bracket and cables) Spare part number 855011-001 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 48). 5. Remove the optical drive (see Optical drive on page 49), if installed. 6. Remove the bottom cover (see Bottom cover on page 52). 7. Remove the memory module (see Memory module on page 56). To remove the TouchPad button board: 1. Disconnect the shorter cable from the TouchPad (1) and the longer cable from the system board (2). 2. Remove the two Phillips PM2.0×3.0 screws (3) that secure the TouchPad button board to the computer. 3. Pull the TouchPad button board toward the bottom of the computer, and then remove the TouchPad and cables (4). Reverse this procedure to install the TouchPad button board and cables. 72 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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TouchPad button board
Description
Spare part number
TouchPad button board (includes bracket and cables)
855011-001
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
48
).
5.
Remove the optical drive (see
Optical drive
on page
49
), if installed.
6.
Remove the bottom cover (see
Bottom cover
on page
52
).
7.
Remove the memory module (see
Memory module
on page
56
).
To remove the TouchPad button board:
1.
Disconnect the shorter cable from the TouchPad
(1)
and the longer cable from the system board
(2)
.
2.
Remove the two Phillips PM2.0×3.0 screws
(3)
that secure the TouchPad button board to the computer.
3.
Pull the TouchPad button board toward the bottom of the computer, and then remove the TouchPad
and cables
(4)
.
Reverse this procedure to install the TouchPad button board and cables.
72
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts