sound problem on Kubuntu 20.04

[borissh1983 at gmail.com]

On Thursday, 10 December 2020 7:56:23 IST Shlomo Solomon wrote:
> I feel really stupid, but after hours of searching, I'm really lost. No
> idea what I'm missing. 
> 

I had a nasty PBCAK bug with debian recently that might be the same case for you, the default sink was sent to an inactive sink (muted). 

You can get your sinks by running pacmd list-sinks 

Check if that sink is set correctly to you, and is not muted (and enabled ! ).