[jwhidd]

Originally Posted by bookworm

Report shows a sound card and onboard sound, you should have 2 sets of audio plugs, one on I/O plate and one in expansion slot - test them both

see here http://www.overclockeddoc.com/bookwo...0io%20slot.JPG
click image to focus

let me know which you use

Plugging into either set of plugs produces the same scratchy, skippy, garbled sound.