I was watching a video and everything was great. Then I accidently clicked
on the screen and the sound quit working and I couldn't get it to work
again. I tried with the mint system  settings and I tried with alsa mixer
but nothing worked. In my googling I found the suggestion to add 'options
snd-hda-intel model=generic' to alsa-base.conf but that didn't help any.
The sound kinda works because the system alert noise (I have it set to
bark) sounds.

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:-)~MIKE~(-: