Table 6-3 I/O board description and part number (continued)
Description Spare part number
I/O board cables (included in Cable Kit) N00097-001
RJ-45 (network) jack door M21396-001
Before removing the I/O board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 39).
2. Remove the bottom cover (see Bottom cover on page 39).
3. Disconnect the battery cable from the system board (see Battery on page 49).
Remove the I/O board:
1. Disconnect the cables from the larger ZIF connector (1) and smaller ZIF connector (2) on the I/O board.
2. Remove the three Phillips M2.0 × 4.0 screws (3) that secure the board to the computer, and then remove
the network jack door from the board (4).
3. Remove the board from the computer (5).
Reverse this procedure to install the I/O board.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table 6-4 Touchpad description and part number
Description Spare part number
Touchpad for use in models without NFC N00096-001
Touchpad for use in models with NFC (includes NFC antenna) M47178-001
Touchpad cable (included in Cable Kit) N00097-001
52 Chapter 6 Removal and replacement procedures for authorized service provider parts
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