Sound stopped working, Dell Laptop

[P. Echols]

On Wed, Jun 17, 2020 at 1:51 PM P. Echols <p.echo926 at gmail.com> wrote:
>
> Greetings all,
> I have a dell inspiron laptop with Ubuntu 18.04.4.  Also dual boots to
> windows 10.
> Everything was working, but suddenly sound does not work.  Volume is
> up, "built in audio" selected in settings (the only choice).
> Following some guides on the interwebs, I reinstalled alsa and
> pulseaudio to no effect.  Oh, and in my efforts, I managed to make the
> toolbar widget go away.  But still should work, right?
>
> When booting into windows, sound works fine.  Open to suggestions on
> how to troubleshoot.
>
One additional bit.  When booting from a live usb, same version, sound
works.  So clearly some setting that got messed up.

> Thanks,
> echo