Latitude 7490 Owner's Manual

Removing WWAN card

1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Disconnect the battery cable from the connector on the system board.
4. To remove the WWAN card:
   1. Remove the M2.0 x 3.0 screw that secures the WWAN bracket to the WWAN card [1].
   2. Lift the WWAN bracket that secures the WWAN card [2] .
   3. Disconnect the WWAN cables from the connectors on the WWAN card [3] .
   

   NOTE There is an adhesive pad on the routing pad of the system board which secure the wireless and WWAN cards. Removing the wireless or WWAN card requires a small amount of additional force to separate the card from the adhesive pads
5. Remove the WWAN card: