In my case, following these instructions appeared to fix the popping sound:
http://gnometechblog.weebly.com/1/post/2012/03/fixing-popping-sound-in-ubuntu.html
My right speaker seems to be working fine too, although I forgot to check whether it wasn't before.
In my case, following these instructions appeared to fix the popping sound:
http:// gnometechblog. weebly. com/1/post/ 2012/03/ fixing- popping- sound-in- ubuntu. html
My right speaker seems to be working fine too, although I forgot to check whether it wasn't before.