Touchpad Board And Touchpad Button Board - HP 540 - Notebook PC Maintenance And Service Manual

TouchPad board and TouchPad button board

NOTE: The top cover, spare part number 500002-001, includes the TouchPad board and cable, and
the TouchPad button board and cable.
Before removing the TouchPad board and 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. Hard drive (see
b. Optical drive (see
c. Keyboard (see
d. Switch cover (see
e. Speaker (see
f. Display lid switch module (see
g. Display assembly (see
h. Top cover (see
Remove the TouchPad board and TouchPad button board:
1. Turn the top cover upside down, with the front toward you.
2. Release the ZIF connectors on the TouchPad button board (1) and TouchPad board (2) to which
the TouchPad board cable is connected.
3. Disconnect and remove the TouchPad board cable (3).
Battery on page
Hard drive on page 38)
Optical drive on page
Switch cover and keyboard on page
Switch cover and keyboard on page
Speaker on page 51)
Display lid switch module on page
Display assembly on page
Top cover on page 58)
37).
45)
47)
47)
53)
Component replacement procedures
52)
61