The volume slider on our virtual desktops is a skeuomorphic callback to the volume sliders on professional audio equipment on actual, physical desktops.

Is there is no sound when your computer is connected to TV with HDMI cable, check your default audio device & then use these effective fixes.

If your microphone is too loud or too quiet, you can fix this by adjusting the Input volume slider. Testing a microphone on Windows 11 To test your microphone, first, connect it to your system.