Sem som Radeon HD 6250/6310

Boa noite,

Uso o Debian Wheezy, com XFCE.

Ja inclui no sourcelist

cat /etc/apt/sources.list

# deb cdrom:[Debian GNU/Linux 7.5.0 _Wheezy_ - Official amd64 lxde-CD Binary-1 20140426-13:35]/ wheezy main

#deb cdrom:[Debian GNU/Linux 7.5.0 _Wheezy_ - Official amd64 lxde-CD Binary-1 20140426-13:35]/ wheezy main

deb-src http://security.debian.org/ wheezy/updates main

# wheezy-updates, previously known as 'volatile'

deb http://ftp.br.debian.org/debian stable main contrib non-free

deb-src http://ftp.br.debian.org/debian stable main contrib non-free

deb http://ftp.debian.org/debian/ wheezy-updates main contrib non-free

deb-src http://ftp.debian.org/debian/ wheezy-updates main contrib non-free

#deb http://security.debian.org/ wheezy/updates main contrib non-free

#deb-src http://security.debian.org/ wheezy/updates main contrib non-free

#deb http://debian.net/debian/ wheezy main contrib non-free

deb http://ftp.de.debian.org/debian wheezy-backports main non-free

deb http://http.debian.net/debian/ wheezy main contrib non-free

comando

root@debian:/home/malkut# cat /proc/asound/cards

--- no soundcards ---

li alguns tutoriais mas ainda não resolvi este problema de som, se tiverem sugestoes ...

Obrigado.