I have never had this happen before, but I'm stuck. I installed Virtualbox and all of the kernals that I could install for it. After a reboot, I lost my sound and wifi abilities. I have since uninstalled Virtualbox and have gotten rid of the Virtualbox virtual kernals associated with it. Still, no wifi and no Sound. For the sound, it tells me that I am missing the gstreamer plugin. Whats going on!?