How to Remove and Reinstall the WWAN 4G on Latitude 7440

This video will demonstrate removal and reinstall procedure of a WWAN 4G on Latitude 7440.

To remove the wireless card, remove the 8 screws securing the base cover. Pry the cover off the system. Identify the wireless card and loosen the screw. Unlatch and disconnect the cables.

To reinstall the wireless card, reconnect the cables and relatch it to the system. Install the screw to secure it. Place the base cover on the system and tighten the eight screws.