No sound

[Bart]

Op maandag 05-04-2010 om 10:22 uur [tijdzone -0400], schreef Oliver
Ruebenacker:
> Hello,
> 
>   I don't have sound on my F12. There seems to be no way to test the
> sound, either. What can I do? Thanks!
> 
>   (I started using Fedora with version 6, which was running fairly
> smoothly. Over time, I feel, quality has degraded, and now, with F12,
> nothing runs smoothly any more. Every day, something does not work).
> 
>      Take care
>      Oliver
> 

I have the same issue. When I try alsaunmute  (as root), I get 
Unknown hardware: "HDA-Intel" "Realtek ALC861"
"HDA:10573055,10573055,00100700 HDA:10ec0861,15840000,00100300" "0x1734"
"0x10c7"
Hardware is initialized using a guess method