Latitude 3490 Owner’s Manual

Installing the WLAN card

1. Insert the WLAN card into its connector on the system board.
2. Route the antenna cables on the wireless card slot and secure the antennas underneath the wireless card, and then connect the two antenna cables to the connectors on the WLAN card.
   NOTE Connect the MAIN antenna (white) to the MAIN pin and AUX antenna (black) to the AUX pin, respectively.
3. Replace the WLAN bracket on the WLAN card.
4. Tighten the M2x3 screw to secure the WLAN card and card holder to the system board.
5. Install the:
   1. base cover
   2. SIM tray (WWAN models)
6. Follow the procedure in After working inside your computer