Dell Latitude 9420 Service Manual page 25

Steps
1. Align the notch on the WWAN card with the tab on the WWAN-card slot.
NOTE: If any of the thermal pads located underneath the WWAN card are detached from the system board when
removing the WWAN card from the system, adhere them back on the system board.
2. Slide the WWAN card at an angle into the WWAN-card slot.
3. Align and place the WWAN-card shielding cover, press to fit it firmly to cover the WWAN card.
4. Connect the antenna cables to the connectors on the WWAN card.
5. Align and place the WWAN-card bracket on the system board and WWAN card, and tighten the single captive screw.
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,
see the knowledge base article 000143678 at www.dell.com/support.
Removing and installing components 25