Before removing the touchpad, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 38).
2. Remove the bottom cover (see Bottom cover on page 38).
3. Remove the battery (see Battery on page 48).
Remove the touchpad:
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 6-5 Fan description and part number
Description Spare part number
Fan for use in 42 W models M21718-001
Fan for use in 51 W models N00095-001
Before removing the fan, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 38).
2. Remove the bottom cover (see Bottom cover on page 38).
3. Disconnect the battery cable from the system board (see Battery on page 48).
Remove the fan assembly:
52 Chapter 6 Removal and replacement procedures for authorized service provider parts
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