After booting up, please run:
ls -la /dev/snd/ #could you see some dev nodes
aplay -l # could you see some audio devices
sudo chmod a+rw /dev/snd/* aplay -l # could you see some different output from the 1st time.
After booting up, please run:
ls -la /dev/snd/ #could you see some dev nodes
aplay -l # could you see some audio devices
sudo chmod a+rw /dev/snd/*
aplay -l # could you see some different output from the 1st time.