1. Disconnect the system board cable from the ZIF connector on the touchpad (1).
2. Remove the four Phillips M2.0× 2.0 screws (2) that secure the touchpad to the computer.
3. Remove the two Phillips M1.6 × 2.0 screws (3) that secure 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 (Bottom cover on page 30).
3. Disconnect the battery cable from the system board (see Battery on page 31).
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).
42 Chapter 5 Removal and replacement procedures for authorized service provider parts
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