Palmrest Assembly; Removing The Palmrest Assembly - Dell Latitude 3420 Service Manual

About this task
The following image indicates the location of the WWAN I/O board and provides a visual representation of the installation
procedure.
NOTE: The following steps are applicable only for 4G LTE enabled systems.
Steps
1. Connect the WWAN cable to the connector on the WWAN I/O board and close the latch.
2. Gently flip the WWAN I/O board toward right.
3. Align and place the WWAN I/O board into its slot on the palmrest assembly.
4. Install the two (M2x3) screws to secure the WWAN I/O board to the palmrest assembly.
Next steps
1. Install the battery cable
2. Install the base cover.
3. Install the SIM card tray
4. Install the microSD card.
5. Follow the procedure in

Palmrest assembly

Removing the palmrest assembly

Prerequisites
1. Follow the procedure in
2. Remove the microSD-card.
3. Remove the SIM card tray
4. Remove the base cover.
5. Remove the battery.
6. Remove the memory module.
88 Removing and installing components
for 4G LTE enabled systems.
After working on your computer.
before working inside your
for 4G LTE enabled systems.
computer.