HP Pavilion dv4-3100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 61

TouchPad button board, Position the top cover upside down, with the front toward you.

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TouchPad button board Description TouchPad button board NOTE: The TouchPad button board cable is included in the Cable Kit, spare part number 640363-001. Spare part number 640337-001 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 36). 5. Remove the following components: a. Hard drive (see Hard drive on page 39) b. Optical drive (see Optical drive on page 42) c. Keyboard (see Keyboard on page 44) d. Top cover (see Top cover on page 49) Remove the TouchPad button board: 1. Position the top cover upside down, with the front toward you. 2. Release the ZIF connector (1) to which the TouchPad button board cable is connected and then disconnect the cable (2) from the TouchPad. 3. Remove the Phillips 2.0x2.0 screw (3) which secures the TouchPad button board to the top cover. ENWW Component replacement procedures 53

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TouchPad button board
Description
Spare part number
TouchPad button board
NOTE:
The TouchPad button board cable is included in the Cable Kit, spare part number
640363-001.
640337-001
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
36
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
39
)
b.
Optical drive (see
Optical drive
on page
42
)
c.
Keyboard (see
Keyboard
on page
44
)
d.
Top cover (see
Top cover
on page
49
)
Remove the TouchPad button board:
1.
Position the top cover upside down, with the front toward you.
2.
Release the ZIF connector
(1)
to which the TouchPad button board cable is connected and then
disconnect the cable
(2)
from the TouchPad.
3.
Remove the Phillips 2.0x2.0 screw
(3)
which secures the TouchPad button board to the top
cover.
ENWW
Component replacement procedures
53