On Tue, 2007-07-03 at 18:06 +0200, Przemyslaw Gawronski wrote: > Hi > > I experienced a power down on my FC7 box. After booting I found the > soundcard not working. System-config-soundcard found the card but when > trying to play the test sound it quickly pops up the dialog asking if I > heard the, but after a 1-2seconds so it's way to short. I'm also unable > to set anything there. > > So I ran FC7-Live cd (gnome) and there the card was found and worked as > expected so it isn't burned or something. Mixer issue. Try different mixer controls or "alsamixer" from a term. Most probably your PCM is mute.