No sound imac retina 4k 21,5 inch 2017 imac18,2

I have no sound from intern speakers from the imac retina 4k 21,5 inch 2017
imac 18,2 i use zorin ultimate 15.3 i have tested with pulsevolume control hdmi out intern on but no sound

Hi, can you issue the command : alsamixer
in terminal and check if you can see your sound card?

i used alsamixer and give this information:
hda intel pch
cirrus logic generic

Actually the screenshot will help. Can you upload it to ImgBB, Imgur, or Pasteboard.?

the screenshot van de alsamixer :

Quite an old thread, but this might help you: