i just searched google...... found this thread and registered here....
I have the exact same problem as american sensei, up untill the end there. he went to find the manufacturer's site. but my "Multimedia Audio Controller" in the device manager says the manufacturer is "unknown".
i just reinstalled windows today, the sound worked this morning, but not since i redid it.
can someone please help me out? i have the cd in now that came with my computer in '02... it has a list of drivers for me to install, but none of them look right and none of them showed up when the computer searched for something to reinstall with.
i don't know what else to do :-/