Gday @jcmax101 , Welcome to the community.
Could we get you to update your profile to indicate to Edition of Zorin OS your using. Here. (This saves you having to repeat yourself or us to ask again for any future enquires)
Can i get you to check/update the laptops firmware.
Next
Please run
pulseaudio -k
Then start your audio player, does this give you sound.
Note:
If you had your audio player open prior to the above command, you will need to restart the app again to test.
If you got sound, please follow close the audio player then run these commands.
systemctl --user restart pulseaudio
next
rm -r ~/.config/pulse
Then
pulseaudio -k
Restart your audio player & test.
Then
reboot laptop & test.
Hope this helps.
If no luck please screenshot the result of the below.
sudo lshw -C sound