Dell OptiPlex 7470 All-in-One Service Manual

Installing the speakers

1. To replace the speakers:
   1. Place the speakers on the display assembly base and align the screw slots on the speakers with the screw slots on the display assembly base [1].
   2. Route the speaker cable through the routing guides on the display assembly base [2].
   3. Replace the six screws (M3x4+7.1) that secure the speakers to the display assembly base [3].
   4. Connect the speaker cable to the socket on the system board [4].
      
2. Install the following components:
   1. I/O bracket
   2. Base cover
   3. System board shield
   4. Back cover
   5. Stand
3. Follow the procedure in After working inside your computer.