Check /etc/asound.conf
Sometimes the sound cards change their sequence, modify the number.
defaults.pcm.card 0 defaults.ctl.card 0 defaults.ctl.card 0 pcm.!default { type hw card 0 } ctl.!default { type hw card 0 }
Check /etc/asound.conf
Sometimes the sound cards change their sequence, modify the number.
defaults.pcm.card 0 defaults.ctl.card 0 defaults.ctl.card 0 pcm.!default { type hw card 0 } ctl.!default { type hw card 0 }