Dell Latitude 7290 Owner's Manual page 23

Installing touchpad buttons board
1 Insert the touchpad buttons board into the slot to align the tabs with the grooves on the system.
2 Replace the two (M2.0 x 3.0) screws to secure the touchpad buttons board to the system.
3 Connect the touchpad buttons board cable to the connector on the touchpad board.
4 Install the:
a speaker
b battery
c base cover
5 Follow the procedure in
Power connector port
Removing power connector port
1 Follow the procedure in
2 Remove the following:
a base cover
b battery
3 To remove the power connector port:
a Disconnect the power connector port cable from the system board [1].
After working inside your computer.
Before working inside your computer.
Removing and installing components 23