Internet volume not working & volume mixer

My internet volume is not working for any videos but the volume works when I'm using windows media player, also the volume mixer for the internet is not showing up. What can I do to fix these problems?
I am operating on windows 7

 

which internet browser are you using?

 

pcontour, welcome to MajorGeeks. You need to start your own thread with your problem.
The Major does not want you to
a) dredge up an old thread unless you can provide a fix for an unsolved problem
b) add your problem to someone else's thread

Go here: http://forums.majorgeeks.com/forumdisplay.php?f=21
click the New Thread button near the top left.
In addition to Windows Vista, please state the brand and model of computer so people will know if it is a desktop or laptop. Also what is your audio card so we can find that card's audio control panel.