2. Remove the two Phillips M2.0 × 3.0 screws (2), and then remove the audio board from the computer (3).
Reverse this procedure to install the audio board.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table
5-9 Touchpad description and part number
Description Spare part number
Touchpad M42279-001
Touchpad cable (included in Cable Kit, models without WWAN) M42293-001
Touchpad cable (included in Cable Kit, models with WWAN) M48385-001
Before removing the touchpad, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 30).
2. Remove the bottom cover (Bottom cover on page 30).
3. Remove the battery (see Battery on page 31).
Remove the touchpad:
1. Disconnect the touchpad cable from the touchpad ZIF connector (1), and then release the cable from the
adhesive that secures it to the touchpad (2).
2. Remove the three Phillips M2.0 × 2.0 screws (3) that secure the touchpad to the computer.
42 Chapter 5 Removal and replacement procedures for authorized service provider parts
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