5. If the WLAN antenna is not connected to the terminal on the WLAN module, install a protective sleeve on the
antenna connector, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
Infrared sensor board cable
To remove the infrared sensor board cable, use this procedure and illustration.
NOTE: The infrared sensor board cable is available using spare part number M45459-001.
Before removing the infrared sensor board cable, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 29).
2. Remove the bottom cover (see Bottom cover on page 29).
3. Disconnect the battery cable from the system board (see Battery on page 31).
Remove the infrared sensor board cable:
1. Disconnect the display panel cable (1) from the system board.
2. Release the zero insertion force (ZIF) connector (2) to which the infrared sensor board cable is connected,
and then disconnect the infrared sensor board cable from the system board.
3. Release the ZIF connector (3) to which the infrared sensor board cable is connected, and then disconnect
the infrared sensor board cable from the infrared sensor board.
38 Chapter 5 Removal and replacement procedures for authorized service provider parts
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