Dell Latitude 7390 Owner's Manual page 16

b Un-route the speaker cable from the routing clips [2,3].
c Remove the tape that secures the speaker cables to the touchpad board [4].
4 To remove the speaker module:
a Remove the M2.0x3.0 screws (4) that secure the speaker module to the computer [1].
b Lift the speaker module from the computer [2].
NOTE: Ensure to un-route the speaker cable from the routing clips.
16 Removing and installing components