@ Setting up your Dell Monitor (Optimized for Lynch] / Dell £=58 OB (Lynch BB(L) Reassuring and Sound, 1. Use the supplied USB upstream cable to connect the monitor and your computer. Your computer automatically detects the monitor and installs the drivers. 2. In the Windows® operating system, open the Sound window, and then set the audio playback device to Echo Canceling Speakerphone. 3. In the Lynch main window, click the Options button, and then select Video Device. 4.