Compaq Presario CQ42-100 Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 67

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 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top cover (see Top cover on page 54) 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. Component replacement procedures 59

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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
41
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
42
)
b.
Optical drive (see
Optical drive
on page
45
)
c.
Keyboard (see
Keyboard
on page
52
)
d.
Top cover (see
Top cover
on page
54
)
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.
Component replacement procedures
59