HP 6820s HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 68

TouchPad board and TouchPad button board, Top cover see

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TouchPad board and TouchPad button board Description Spare part number TouchPad board (includes cable) 457617-001 TouchPad button board (includes cable) 456601-001 TouchPad Miscellaneous Kit (includes TouchPad bracket and TouchPad button board actuators) 457618-001 Before removing the TouchPad board and 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 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see Switch cover and keyboard on page 45) d. Speaker (see Speaker on page 49) e. Display lid switch module (see Display lid switch module on page 50) f. Display assembly (see Display assembly on page 51) g. Top cover (see Top cover on page 55) Remove the TouchPad board and TouchPad button board: 1. Turn the top cover upside down, with the front toward you. 2. Release the ZIF connectors on the TouchPad button board (1) and TouchPad board (2) to which the TouchPad board cable is connected. 3. Disconnect and remove the TouchPad board cable (3). 58 Chapter 4 Removal and replacement procedures

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TouchPad board and TouchPad button board
Description
Spare part number
TouchPad board (includes cable)
457617-001
TouchPad button board (includes cable)
456601-001
TouchPad Miscellaneous Kit (includes TouchPad bracket and TouchPad button board actuators)
457618-001
Before removing the TouchPad board and 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
35
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
36
)
b.
Optical drive (see
Optical drive
on page
42
)
c.
Switch cover and keyboard (see
Switch cover and keyboard
on page
45
)
d.
Speaker (see
Speaker
on page
49
)
e.
Display lid switch module (see
Display lid switch module
on page
50
)
f.
Display assembly (see
Display assembly
on page
51
)
g.
Top cover (see
Top cover
on page
55
)
Remove the TouchPad board and TouchPad button board:
1.
Turn the top cover upside down, with the front toward you.
2.
Release the ZIF connectors on the TouchPad button board
(1)
and TouchPad board
(2)
to which
the TouchPad board cable is connected.
3.
Disconnect and remove the TouchPad board cable
(3)
.
58
Chapter 4
Removal and replacement procedures