Dell Latitude 7390 Owner's Manual page 17

Installing speaker module
1 Place the speaker module into the slots on the computer.
2 Route the speaker cable through the retention clips on the computer.
3 Connect the speaker cable to the connector on the system board.
4 Install the:
a battery
b base cover
5 Follow the procedure in
Coin cell battery
Removing the coin cell battery
1 Follow the procedure in
2 Remove the :
a base cover
b battery
3 To remove the coin cell battery:
a Disconnect the coin cell battery cable from the connector on the system board [1].
b Lift the coin cell battery to release it from the adhesive [2].
After working inside your computer.
Before working inside your computer.
Removing and installing components 17