Audio not working

All I see in system information is HDA-Intel - HDA Intel PCH

if you

alsamixer

Then tap F6
What options does it give for sound card?
0 HDA Intel PCH should be one...

It shows 0 HDA and default. You can see from the screenshots posted above.

And
F6
Select 1 HDA Intel PCH - then hit enter... Is that shown above, too?

There is no option for 1 HDA

brain typo... meant 0...

Nothing seems to change whether the default option or the HDA option is selected

This usually is a channel muted - visible in AlsaMixer...
Without directly seeing your alsa results, it's hard to say.

This suggests:

echo "options snd-hda-intel model=generic" | sudo tee -a /etc/modprobe.d/alsa-base.conf

But this Arch Linux thread offers little in the way of hope... It suggests a workaround that may get headphones to work, but not speakers.
https://bbs.archlinux.org/viewtopic.php?id=252295

Downloaded hda-analyzer.

When I select the "run in terminal option" the terminal won't show.

This is what is shown in the codec text.

The web page you linked says to select the VREF "100" option. How do I select it?

Rian, I am sorry to do this to you but... are you using AMD graphics?

According to Coolby advert on Amazon, it has Intel UHD Graphics 600.
The advert does not list the sound card.

@Rian42 Are you dual-booting Zorin alongside Windows 10 or 11?
I was thinking if you still have Windows, you could determine the sound card in devices there.

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I am not dual booting windows.

I could look inside the laptop for the sound card if necessary.

Looking inside will not always reveal your sound card if it is integrated, which I suspect yours may be.
You could enter this terminal command and see what that revels:

lspci -nnk | grep -A2 Audio

@Aravisian may know a better way of revealing your sound card.

arecord -l

should list all sound cards. That is a letter L at the end there, not a capital I...

This is all that shows when I type arecord -l

:thinking: I am totally at a loss as to how to help you on this one.

Question: Does sound work if you do "Try ZorinOS" from the installation USB?

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Tried a live session from USB, still no sound because of "dummy-output".

The only difference was that in alsamixer the sound card changed from
HDA Intel PCH to sof-hda-dsp.

At this point I am thinking about getting a USB Audio adapter instead.
Are there any you would recommend?

You might have some luck...

sudo nano /etc/modprobe.d/alsa-base.conf

Add
options snd-hda-intel model=auto

I already used that to reset the system so HDMI worked again.

sof-hda-dsp is not shown in the installed desktop, only in live USB.

I understand, I was just wondering if it worked or not.
If it did, then it would appear that the drivers in use on the LiveUSB work - and should be used post-install...