[Ubuntu-cat] Sense audio Ubuntu 20.04

[Josep]

Hola.

He actualitzat a la versio 20.04 i no tinc sortida de audio.M'indica 
"Sortida Fingida.

Aquesta es la info de la tarjeta de so.

vant a BLOCK:~$ aplay -l
**** Llista de PLAYBACK dispositius del maquinari  ****
targeta 0: PCH [HDA Intel PCH], dispositiu 3: HDMI 0 [HDMI 0]
   Subdispositius: 0/1
   Subdispositiu #0: subdevice #0
targeta 0: PCH [HDA Intel PCH], dispositiu 7: HDMI 1 [HDMI 1]
   Subdispositius: 1/1
   Subdispositiu #0: subdevice #0
vant a BLOCK:~$


vant a BLOCK:~$ lspci | grep -i audio
00:1f.3 Audio device: Intel Corporation Device 02c8
vant a BLOCK:~$

He reinstalat el ALSA i Pulseaudio i tampoc m'en surto.

He mirat diversos videos i tampoc.

Alguna idea per a on puc mirar?.gracies.

Josep.