Dell OptiPlex 5260 Service Manual page 76

a Stand
b Back cover
c System board shield
d Base cover
e I/O bracket
3 To disconnect the speakers:
a Disconnect the speaker cable from the system board [1].
b Unroute the speaker cable from the routing guide on the display assembly base [2].
c Remove the four screws (M3x4+7.1) that secure the speakers to the display-assembly base [1].
d Lift the speakers and the speaker cable off the display assembly base [2].
76 Removing and Installing components