Installing The 4G Wwan Card; Removing The 5G Wwan Card - Dell P174G Service Manual

5. Slide and remove the 4G WWAN card from the M.2-card slot on the system board.

Installing the 4G WWAN card

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: When reinstalling the WWAN card shielding cover, ensure that the shielding cover is inserted into the clips on the
I/O daughter-board.
About this task
The following images indicate the location of the 4G WWAN card and provide a visual representation of the installation
procedure.
Steps
1. Align the notch on the 4G WWAN card with the tab on the M.2-card slot on the system board.
2. Slide the 4G WWAN card firmly into the M.2-card slot on the system board.
3. Connect the antenna cables to the connectors on the 4G WWAN card.
4. Place the 4G WWAN-card bracket on the 4G WWAN card.
5. Align the screw hole on the 4G WWAN-card bracket with the screw hole on the system board.
6. Replace the single screw (M2x2.5) that secures the 4G WWAN-card bracket to the system board.
Next steps
1. Install the base cover.
2. Follow the procedure in

Removing the 5G WWAN card

Prerequisites
1. Follow the procedure in
After working inside your
Before working inside your
computer.
computer.
Removing and installing components 21