Touchpad Button Board - HP ProBook 450 G2 Maintenance And Service Manual

Touchpad button board

Description
Touchpad button board
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
5. Remove the following components:
a. Service doors (see
b. Keyboard (see
c. Hard drive
d. Optical drive
e. Top cover (see
Remove the touchpad button board:
1. Position the top cover upside-down.
2. Disconnect the cable from the touchpad (1).
3. Disconnect the cable from the card reader board (2).
4. Remove the Phillips PM2.0×3.0 screw (3) that secures the button board to the top cover.
5. Lift the right side of the touchpad button board up, and then pull it to the right to remove it from the slot
(4).
Battery on page
Service door on page
Keyboard on page 49)
(Hard drive on page 39)
(Optical drive on page
Top cover on page 58)
36).
37).
43)
Component replacement procedures
Spare part number
768140-001
73