Dell OptiPlex 7450 All-In-One Owner's Manual

Installing the speaker module

1. Insert the speaker module into the slot on the chassis.
2. Tighten the screws to secure the speaker to the chassis.
3. Secure the speaker cables through the retention clips.
4. Connect the speaker cable to the connector on the system board.
5. Install the:
   1. system board shield
   2. speaker cover
   3. back cover
   4. cable cover
   5. stand
6. Follow the procedure in After working inside your computer.