Problem with my speakers. help me Plz!!!

I have a Creative SBS A300 2.1 channel speaker set in my home . but yesterday when i was hearing a song , the sound from the right speaker got cut off . And now iam not getting any sound frm my right speaker.the left speaker and the subwoofer is working perfectly. What might be the possible reasons ??. how can i get sound back in my right speaker??? Help me Plzzzzzzzzzz!!!!!!!!!!!!!!!!!!!!!

it may be loose jack. plugin and out the jacks again.

Hey don't worry if your speaker is not working then .. you can see there will be some kind of problem with your speaker jet try reinstalling your speakers.. it will help you out.. and then reply me what happened