1.
Disconnect the system board cable from the ZIF connector on the touchpad (1).
2.
Remove the five Phillips M2.0× 2.0 screws (2) that secure the touchpad to the computer.
3.
Remove the Phillips M1.6 × 2.0 screw (3) that secures the touchpad to the computer.
4.
Remove the touchpad from the computer (4).
Reverse this procedure to install the touchpad.
Fan
To remove the fan, use this procedure and illustration.
Table 5-10
Fan description and part number
Description
Spare part number
Fan for use in models with discrete graphics
M21719-001
Fan for use in models with UMA graphics
M21718-001
Before removing the fan, 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 fan assembly:
1.
Remove display cable from the clips on the right side of the fan (1).
2.
Remove the three Phillips 2.0 × 4.0 screws (2) that secure the fan to the computer.
3.
Disconnect the fan cable from the system board (3).
Component replacement procedures
41
Summary of Contents for ProBook 450 G8
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...