Wwan Card; Removing The Wwan Card - Dell Latitude 3420 Service Manual

Table 2. Antenna cable guide
Cable color
White cable (Main)
Black cable (Aux)
2. Align the notch on the WLAN card with the tab on the WLAN card slot.
3. Slide the WLAN card at an angle into the WLAN card slot.
4. Align and place the WLAN card bracket on the WLAN card.
5. Install the screw (M2x3) to secure the WLAN card bracket on the WLAN card to the system board.
Next steps
1. Install the base cover.
2. Exit the service mode
3. Install the SIM card tray
4. Install the microSD-card.
5. Follow the procedure in

WWAN card

Removing the WWAN card

Prerequisites
1. Follow the procedure in
2. Remove the microSD-card.
3. Remove the SIM card tray
4. Enter the service mode.
5. Remove the base cover.
About this task
The following image indicates the location of the WWAN card and provides a visual representation of the removal procedure.
NOTE: The following steps are applicable only for 4G LTE enabled systems.
38 Removing and installing components
for 4G LTE enabled systems.
after working inside your
before working inside your
for 4G LTE enabled systems.
Connector
White triangle (△) on the WLAN module of the system board
Solid triangle (▲) on the WLAN module of the system board
computer.
computer.