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4 Replacement Procedures 4.12 Wireless LAN card
Installing the Wireless LAN card
The following describes the procedure for installing the wireless LAN card. (See Figure 4-19
and 4-20.)
CAUTION: Be sure to switch the computer off before installing the wireless LAN card.
Otherwise, the computer or the wireless LAN card may be damaged.
1. Arrange the wireless LAN antenna cables (black, white and gray) through the hole
of the cover assembly.
2. Insert the wireless LAN card to the connector on the system board slantwise and
press it to connect firmly.
3. Connect the wireless LAN antenna cables (white: 1, black: 2, gray: 3) to the
connectors on the wireless LAN card.
NOTE: Connector 3 (for the gray cable) is placed on the center.
Pass the wireless antenna cables under the Bluetooth cable.
Bluetooth cable
White
Black
Gray
4. Secure the wireless LAN card with the following screws.
• M2×4B BIND screw ×2
5. Stick a new insulator that prevents a waterdrop from entering the computer.
NOTE: Do not reuse the removed insulator.
4-32 [CONFIDENTIAL] TECRA M9 Maintenance Manual (960-631)