HP Pavilion TouchSmart 15-n300 Maintenance and Service Guide - Page 74

TouchPad button board, Remove the Phillips M2.0×3.5 screw

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TouchPad button board Description TouchPad button board (includes cable) Spare part number 732078-001 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 40), and then remove the following components: a. Optical drive (see Optical drive on page 45). b. Service door (see Service door on page 42). c. WLAN module (see WLAN module on page 44). d. Memory module (see Memory module on page 42). e. Keyboard (see Keyboard on page 51). f. Top cover (see Top cover on page 55). 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 Phillips M2.0×3.5 screw (2) that secures the TouchPad button board bracket to the top cover. 4. Remove the TouchPad button board (3) carefully lifting the cable from the guides (the cable attached to the top cover was disconnected when removing the top cover). 5. Lift up the TouchPad button board (4). 64 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)
732078-001
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
40
), and then remove the following components:
a.
Optical drive (see
Optical drive
on page
45
).
b.
Service door (see
Service door
on page
42
).
c.
WLAN module (see
WLAN module
on page
44
).
d.
Memory module (see
Memory module
on page
42
).
e.
Keyboard (see
Keyboard
on page
51
).
f.
Top cover (see
Top cover
on page
55
).
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 Phillips M2.0×3.5 screw
(2)
that secures the TouchPad button board bracket to
the top cover.
4.
Remove the TouchPad button board
(3)
carefully lifting the cable from the guides (the cable attached to
the top cover was disconnected when removing the top cover).
5.
Lift up the TouchPad button board
(4)
.
64
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts