Sin emergence 5.1 no sound

[Wolfie]

Well i have no sound in emergence i have tried to reinstall my sound drivers but didnt help, also had the same problem with css,
if i change the settings to "Headphones" i have sound but i want to use 5.1...

anyone else had the problem and has a solution? i have also tried to copy the files from the bin folder to the emergence root folder....