Before removing the fan, 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. Disconnect the battery cable from the system board (see Battery on page 74).
Remove the fan assembly:
1. Disconnect the fan cable from the system board connector (1).
2. Remove camera cable from the clip (2) on the fan.
3. Remove the three Phillips 2.0 × 4.0 screws (3) that secure the fan to the computer.
4. Remove the fan (4) from the computer.
To install the fan, reverse this procedure.
I/O board
To remove the I/O board, use this procedure and illustration.
Table 8-9
I/O board descriptions and part numbers
Description Spare part number
I/O board for use in non-vPro models with WLAN only N96920-001
I/O board for use in non-vPro models with WLAN and WWAN N96919-001
I/O board for use in vPro models with WLAN only N96918-001
I/O board for use in vPro models with WLAN and WWAN N96917-001
I/O board cables (included in Cable Kit) N96440-001
RJ-45 (network) jack door for use in metal models N96449-001
RJ-45 (network) jack door for use in plastic models N96450-001
Before removing the I/O board, follow these steps:
I/O board
83
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