Before removing the I/O board, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly on page 30
2.
Remove the bottom cover (
).
3.
Disconnect the battery cable from the system board (see
).
Remove the I/O board:
1.
Disconnect the cable from the larger ZIF connector (1) and smaller ZIF connector (2) on the I/O board.
2.
Remove the three Phillips M2.0 × 4.0 screws (3) that secure the board to the computer, and then remove
the network jack door from the board (4).
3.
Remove the board from the computer (5).
Reverse this procedure to install the I/O board.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table 5-9
Touchpad description and part number
Description
Spare part number
Touchpad
M21999-001
Touchpad cable (included in Cable Kit)
M21713-001
Before removing the touchpad, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly on page 30
2.
Remove the bottom cover (
).
3.
Remove the battery (see
).
Remove the touchpad:
40
Chapter 5 Removal and replacement procedures for authorized service provider parts
Summary of Contents for ProBook 450 G8
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...