HP Pavilion 14-n100 Maintenance and Service Guide 1 - Page 78

TouchPad button board, the TouchPad board.

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TouchPad button board Description TouchPad button board (includes cable) Spare part number 734418-001 Before removing the TouchPad button board, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 42), and then remove the following components: a. Service door (see Service door on page 43) b. Memory module (see Memory module on page 45) c. WLAN module (see WLAN module on page 47) d. Optical drive (see Optical drive on page 49) e. Keyboard (see Keyboard on page 55) f. Top cover (see Top cover on page 59) Remove the TouchPad button board: 1. Turn the top cover upside down, with the front toward you. 2. Release the TouchPad ZIF connector, and then disconnect the TouchPad button board cable (1) from the TouchPad board. 3. Remove the three Phillips PM2.0×3.5 screws (2) that secures the TouchPad button board bracket to the top cover. 4. Remove the TouchPad button board carefully lifting the cable from the guides (3) (the cable was disconnected when removing the top cover). 5. Lift up the TouchPad button board (4). 68 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 cable)
734418-001
Before removing the TouchPad button board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
42
), and then remove the following components:
a.
Service door (see
Service door
on page
43
)
b.
Memory module (see
Memory module
on page
45
)
c.
WLAN module (see
WLAN module
on page
47
)
d.
Optical drive (see
Optical drive
on page
49
)
e.
Keyboard (see
Keyboard
on page
55
)
f.
Top cover (see
Top cover
on page
59
)
Remove the TouchPad button board:
1.
Turn the top cover upside down, with the front toward you.
2.
Release the TouchPad ZIF connector, and then disconnect the TouchPad button board cable
(1)
from
the TouchPad board.
3.
Remove the three Phillips PM2.0×3.5 screws
(2)
that secures the TouchPad button board bracket to
the top cover.
4.
Remove the TouchPad button board carefully lifting the cable from the guides
(3)
(the cable was
disconnected when removing the top cover).
5.
Lift up the TouchPad button board
(4)
.
68
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts