after updating Ubuntu 20.04.1 sound is lost

[milton]

Hi all,


On a AVPlay laptop sound is lost after updating Ubuntu 20.04.1, I notice 
form kernel 5,4.059 to kernel 5.8.0.36.

Before Orca and sounds work well. Do you know how to fix this? Thanks in 
advance.

On another laptop Dell Latitude 5440 I met no problems with sound after 
updating.

Milton