HP Presario CQ57-200 Compaq Presario CQ57 Notebook PC - Maintenance and Servic - Page 61

TouchPad button board, and the TouchPad button board cable

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TouchPad button board Description TouchPad button board (includes cable) Spare part number 646130-001 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 35), and then remove the following components: ● Optical drive (see Optical drive on page 36) ● Keyboard (see Keyboard on page 45) ● Top cover (see Top cover on page 48) Remove the TouchPad button board and cable: 1. Turn the top cover upside down, with the top toward you. 2. Release the TouchPad board cable (1) and the TouchPad button board cable (2) from the top cover. (The TouchPad board cable and the TouchPad button board cable are attached to the top cover with double-sided tape.) 3. Remove the four Phillips PM2.0×4.0 screws (3) that secure the TouchPad button board to the top cover. Component replacement procedures 53

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TouchPad button board
Description
Spare part number
TouchPad button board (includes cable)
646130-001
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
35
), and then remove the following components:
●
Optical drive (see
Optical drive
on page
36
)
●
Keyboard (see
Keyboard
on page
45
)
●
Top cover (see
Top cover
on page
48
)
Remove the TouchPad button board and cable:
1.
Turn the top cover upside down, with the top toward you.
2.
Release the TouchPad board cable
(1)
and the TouchPad button board cable
(2)
from the top
cover. (The TouchPad board cable and the TouchPad button board cable are attached to the top
cover with double-sided tape.)
3.
Remove the four Phillips PM2.0×4.0 screws
(3)
that secure the TouchPad button board to the
top cover.
Component replacement procedures
53