TouchPad button board
Description
Spare part number
TouchPad button board (includes bracket and cables)
685099-001
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
), and then remove the following components:
●
Memory module/wireless module compartment cover (see
WLAN module on page 48
)
●
Hard drive (see
Hard drive on page 52
)
●
Keyboard (see
Keyboard on page 58
)
●
Top cover (see
Top cover on page 61
)
To remove the TouchPad button board:
1.
Turn the top cover upside down with the front toward you.
2.
Remove the two Phillips PM2.0×3.0 screws
(1)
that secure the TouchPad button board and
bracket to the top cover.
3.
Remove the bracket
(2)
.
4.
Release the ZIF connector to the TouchPad board cable
(3)
, and then disconnect the cable from
the TouchPad board. (The TouchPad board is attached to the top cover and cannot be
removed.)
Component replacement procedures
67
Summary of Contents for ProBook 455
Page 1: ...HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 50: ...4 Remove the display bezel 3 42 Chapter 4 Removal and replacement procedures ...
Page 52: ...b Disconnect the module cable from the module 44 Chapter 4 Removal and replacement procedures ...
Page 87: ...d Disconnect the module cable 3 from the module Component replacement procedures 79 ...
