Dell Latitude 7290 Owner's Manual page 14

3 To release the speaker module:
a Disconnect the speaker cable from the connector on the system board [1].
NOTE: Use a plastic scribe to release the cable from the connector. Do not pull the cable as it may result in breakage
b Un-route the speaker cable from the routing clips [2].
c Remove the tape that secures the speaker cables to the touchpad board [3].
4 To remove the speaker module:
a Remove the two (M2.0 x 3.0) screws that secure the speaker module to the system [1].
NOTE: Refer the
14 Removing and installing components
speaker screw list.