Ubuntu20 audio not working, Dummy output in settings

I have upgraded my laptop from Ubuntu 18 to Ubuntu 20 after that I faced this issue and below are some of the steps that helps in resolution.

1) Try reinstalling "pavuconrol"
$ sudo apt-get install pavucontrol; pavucontrol &

2) Reinstall Pulse audio and reload alsa

$ sudo apt-get install --reinstall alsa-base pulseaudio
$ sudo alsa force-reload

3) Edit modprobe

$ sudo gedit /etc/modprobe.d/alsa-base.conf
and add below line
options snd-hda-intel model=generic

Then reboot.

More info on this step can be found here, https://www.linuxuprising.com/2018/06/fix-no-sound-dummy-output-issue-in.html

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