Installing Wwan Card - Dell Latitude 7290 Owner's Manual

a. Remove the M2.0 x 3.0 screw that secures the WWAN bracket to the WWAN card [1].
b. Lift the WWAN bracket that secures the WWAN card [2] .
c. 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:

Installing WWAN card

1. Insert the WWAN card into the connector on the system board.
2. Connect the WWAN cables to the connectors on the WWAN card.
3. Place the metal bracket and tighten the M2.0 x 3.0 screw to secure it to the computer.
4. Connect the battery cable to the connector on the system board.
5. Install the base cover.
6. Follow the procedure in
NOTE: The IMEI number can also be found on the WWAN card.
NOTE: When installing the wireless and WWAN antennae must be routed correctly into the routing pads/clips on the
system board. For models shipped with a wireless card only, the technicians must always ensure that protective sleeves
are used to isolate the antenna connectors before reassembling the system.
20 Removing and installing components
After working inside your computer.