hi,

i have had windows 7 installed for a few months, working fine with soundblaster xi

around 7p was watching youtube videos with sound

went and made dinner

around 9p came back, realized there was no sound coming out of speakers, even though windows mixer shows sound output

restarted, no sound

uninstalled driver, restarted

had windows search for driver, it installed, windows mixer showed sound bar moving while playing an mp3 but couldn't hear

i've tested with speakers plugged into soundblaster, as well as headphones plugged into the audio port on the front of my computer.

what could have happened? what could the solution be?

EDIT

wow, check out the crazy similarities between my post and this one: (the solution didn't solve my issue)

http://superuser.com/questions/56450/why-would-sound-suddenly-stop-working-on-windows-7/92957#92957