Hey everybody. I have a little bit of a problem with my MBP. Sound works when i hit F11 and F12, I can hear the sound ticks when the HUD comes up. Also, everything from iTunes works fine. I have a 150GB music library, and every song plays just fine. However, when I try to play audio out of any other program - Quicktime, Safari, Chrome, Firefox, Garageband, VLC, mplayerX... i get no sound at all. Youtube videos will play, but without any audio whatsoever. Quicktime doesn't seem to like this at all and crashes routinley. Does anybody have a fix for my problem? My specs are: 13" MPB, 2.3GHz i5, 4GB RAM, Lion 10.7.1 thank you very much!