I have been reading the recent posts about audio troubles.  I also have started to have problems.  I have no sound on any internet sites except there is sound on  the Microsoft  video "Intro to IE8".    I have sound on downloaded games, but not on the online game sites.  Could this be because of another messed up update from MS?   I to am new to computers,  though I have an OLD iMac that I played around on to get my feet wet.  I now have an Inspirion 1440.