Compaq Presario CQ42-400 Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 80

TouchPad button board, Top cover see

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TouchPad button board Description TouchPad button board Spare part number 604603-001 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 52). 5. Remove the following components: a. Hard drive (see Hard drive on page 53) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 63) d. Top cover (see Top cover on page 65) Remove the TouchPad button board: 1. Turn the top cover upside down with the front toward you. 2. Remove the two Phillips PM2.5×3.0 screws (1) that secure the TouchPad board to the top cover. 3. Remove the TouchPad button board (2) from the TouchPad bracket. Reverse the above procedure to reassemble and install the TouchPad button board. 70 Chapter 4 Removal and replacement procedures ENWW

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TouchPad button board
Description
Spare part number
TouchPad button board
604603-001
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
52
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
53
)
b.
Optical drive (see
Optical drive
on page
56
)
c.
Keyboard (see
Keyboard
on page
63
)
d.
Top cover (see
Top cover
on page
65
)
Remove the TouchPad button board:
1.
Turn the top cover upside down with the front toward you.
2.
Remove the two Phillips PM2.5×3.0 screws
(1)
that secure the TouchPad board to the top cover.
3.
Remove the TouchPad button board
(2)
from the TouchPad bracket.
Reverse the above procedure to reassemble and install the TouchPad button board.
70
Chapter 4
Removal and replacement procedures
ENWW