Installing The Wlan Card; Wwan Card - Optional; Removing The Wwan Daughterboard - Dell 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:
a. base cover
b. SIM tray (WWAN models)
6. Follow the procedure in
WWAN card – optional

Removing the WWAN daughterboard

1. Follow the procedure in
2. Remove the:
a. Removing the SIM tray – WWAN models
b. base cover
3. To remove the WWAN card:
a. Remove the M2x3 screw that secures the WWAN metal bracket to the system [1] and then lift and remove the metal
bracket off the WWAN card [2].
b. Disconnect the two antenna cables from the WWAN card [3].
c. Pull out the WWAN card from its connector on the WWAN daughterboard [4].
After working inside your computer
Before working inside your
on page 12
computer.
Disassembly and reassembly 19