The speaker is not working, why?

There is no sound coming out of the speaker.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2947414:01crwdne2947414:0:

Hi, first of all what OS are you running? If you are a Windows user, here(Audio Troubleshooting) you will find an excellent guide that can help you diagnose your audio issue

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0