Audio is disabled

[James Tullos]

Tim Johnson wrote:
> I'm using kubuntu 8.04.
> following the last update, my audio is disabled.
> No audio on speakers or on headphones.
> Looking at kmix, I see that all output is turned all the way up.
> Maybe someone could instruct me on how to start trouble-shooting
> this problem.
> thanks

I had a similar problem at one point.  Check your mixer and make sure
all appropriate channels are showing and unmuted.  My Master Front
channel was hidden and muted.