Don't know if it's the same thing, and I'm running FC5. Had the problem of no sound on the PC at work. Solved it yesterday. Try toggling the line jack sense and headphone jack sense switches in kmix. Dave -- Registered Linux user number 393408 I use and recommend the email service at 1 & 1 For domain registration, email and web hosting please visit: http://oneandone.co.uk/xml/init?k_id=6389763