Compaq CQ50-139WM HP G50 Notebook PC and Compaq Presario CQ50 Notebook PC - Ma - Page 76

TouchPad button board, Display assembly see

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TouchPad button board Description TouchPad button board Spare part number 486629-001 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 40). 5. Remove the following components: a. Optical drive (see Optical drive on page 41) b. Hard drive (see Hard drive on page 43) c. Keyboard (see Keyboard on page 52) d. Keyboard cover (see Keyboard cover on page 54) e. Display assembly (see Display assembly on page 57) f. Top cover (see Top cover on page 64) g. TouchPad on/off button board (see TouchPad on/off button board on page 66) Remove the TouchPad button board: 1. Remove the four Phillips PM2.0×3.0 screws (1) that secure the TouchPad button board bracket to the top cover. 2. Remove the TouchPad button board bracket (2). 68 Chapter 4 Removal and replacement procedures

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TouchPad button board
Description
Spare part number
TouchPad button board
486629-001
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
40
).
5.
Remove the following components:
a.
Optical drive (see
Optical drive
on page
41
)
b.
Hard drive (see
Hard drive
on page
43
)
c.
Keyboard (see
Keyboard
on page
52
)
d.
Keyboard cover (see
Keyboard cover
on page
54
)
e.
Display assembly (see
Display assembly
on page
57
)
f.
Top cover (see
Top cover
on page
64
)
g.
TouchPad on/off button board (see
TouchPad on/off button board
on page
66
)
Remove the TouchPad button board:
1.
Remove the four Phillips PM2.0×3.0 screws
(1)
that secure the TouchPad button board bracket to
the top cover.
2.
Remove the TouchPad button board bracket
(2)
.
68
Chapter 4
Removal and replacement procedures