Valent Turkovic wrote: > Then I switched into KDE, without restart, just log off and login to KDE. > KDE immediately popped up a window saying: > KDE detected that one or more internal sound devices were removed: > * Output: HDA Intel, INTEL HDMI (HDMI Audio Output) > > And now sound was gone! Your problem is probably: https://bugzilla.redhat.com/show_bug.cgi?id=521988 It should be fixed in alsa-lib-1.0.21-2.fc10/3.fc11/3.fc12 which just got pushed to the F10/F11 stable updates 2 days ago. Kevin Kofler