Dell Latitude 7290 Owner's Manual page 16

Installing coin cell battery
1 Affix the coin cell battery on the slot inside the computer.
2 Route the coin cell battery cable through the routing channel before connecting the cable.
3 Connect the coin cell battery cable to the connector on the system board.
4 Install the:
a battery
b base cover
5 Follow the procedure in
WWAN card
Removing WWAN card
1 Follow the procedure in
2 Remove the following components:
a base cover
b battery
3 To remove the WWAN card:
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] .
16 Removing and installing components
After working inside your computer.
Before working inside your computer.