Fan - HP ProBook 450 G8 Maintenance And Service Manual

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
Fan for use in models with discrete graphics
Fan for use in models with UMA graphics
Before removing the fan, follow these steps:
1. Prepare the computer for disassembly
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).
(Preparation for disassembly on page
(Bottom cover on page 30).
30).
Battery on page 31).
Component replacement procedures
Spare part number
M21719-001
M21718-001
41