just installed windows 7 yesterday, likin it...execpt just earlier today my rear audio ports where workin fine (using a headset) microphone wasnt workin though, but anyway. shut the computer down for a while just fired it back up and now no sound coming from my headphones. front audio jack only gives me sound from the right side. anyone had this problem? ive been burning up google with searches and cant find anything on this. any help is greatly appreciated.