TouchPad board and TouchPad button board
Description Spare part number
TouchPad board (includes cable) 456600-001
TouchPad button board (includes cable) 456601-001
TouchPad Miscellaneous Kit (includes TouchPad bracket and TouchPad button board actuators) 456622-001
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 
Battery on page 37).
5.
Remove the following components:
a.
Hard drive (see 
Hard drive on page 38)
b.
Optical drive (see 
Optical drive on page 44)
c.
Keyboard (see 
Keyboard on page 46)
d.
Switch cover (see 
Switch cover on page 48)
e.
Speaker (see 
Speaker on page 50)
f.
Display lid switch module (see 
Display lid switch module on page 51)
g.
Display assembly (see 
Display assembly on page 52)
h.
Top cover (see 
Top cover on page 56)
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).
Component replacement procedures 59