How to make sure the mixer is not muted and the volumes are not too low?
Ensuring that the mixer is not muted and the volumes are not too low.
2. In the Volume Control window, ensure that none of the Mute lights are on and red.
NOTE: If any of the Mute boxes are on and red, click to clear the Mute box.
3. In the Volume control box, under Volume, click and drag the volume slider bar to the maximum setting.