Installing The 5G Wwan Card - Dell Latitude 7640 Service Manual

Steps
1. Pry the WWAN shielding cover from the top-left side of the shielding cover and remove it from the computer.
2. Lift the 5G WWAN-card bracket off the system board.
3. Remove the single screw (M2x2.5) that secures the 5G WWAN-card bracket to the system board.
4. Disconnect the antenna cables underneath the rubber sponge from the connectors on the 5G WWAN card.
5. Slide and remove the 5G WWAN card from the M.2-card slot on the system board.

Installing the 5G 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 5G WWAN card and provide a visual representation of the installation
procedure.
24 Removing and installing components