1. Prepare the computer for disassembly (see Preparation for disassembly on page 62).
2. Remove the bottom cover (see Bottom cover on page 62).
3. Remove the battery (see Battery on page 74).
4. Remove the fan (see Fan on page 82).
Remove the I/O board:
1. Disconnect the cables from the smaller ZIF connector (1) and larger ZIF connector (2) on the I/O
board.
2. Remove the four Phillips M2.0 × 4.0 screws (3) that secure the board to the computer, and then
remove the network jack door (4) from the board.
3. Lift the front of the board (5) up, and then pull the board (6) into the computer to remove it.
To install the I/O board, reverse this procedure.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table 8-10
Touchpad descriptions and part numbers
Description Spare part number
Touchpad for use in models without NFC N96237-001
Touchpad for use in models with NFC N96238-001
Touchpad cable (included in Cable Kit) N96440-001
Before removing the touchpad, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 62).
2. Remove the bottom cover (see Bottom cover on page 62).
3. Remove the battery (see Battery on page 74).
84
Chapter 8 Removal and replacement procedures for authorized service provider parts
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