My Subwoofer Stopped Working

[ramesh521_21]

Hello,
subwoofer not working in windows 7,but it showing speakers working properly and there is no sound from the system

 

[hang-the-9]

You have a couple of different things here as the issue. You have no sound, or only the sub is not working? Did you check the connections and sound levels? Nothing is muted? Speakers are setup for the proper setting in the sound card options? Did you try a different set of speakers?