How to Replace the Speaker on OptiPlex 3090

This video will demonstrate the removal and reinstallation procedure of a speaker for OptiPlex 3090.

To remove the speaker, loosen the two screws securing the side cover. Lift the cover off the system. Identify the speaker and disconnect the cables. Remove the speaker. To reinstall the speaker, reconnect the cables. Tighten the screws to secure the side cover.