Humming Sound From speakers

[carmar]

Hi, Junaid.
There are some suggestions here you can try.

Background noise when not using audio applications

Hi, After today’s update I notice very annoying background noise from the speakers when I start Zorin OS 15.3. The solution is to remove the speakers …, I have tried all sorts of ways, but I can’t solve the problem. Before the update, everything worked fine. The noise stops when I select Audio in Settings (very strange). Background noise also disappears when I boot a virtual machine with VirtualBox (Ubuntu 20.04) or when I listen to music or watch Youtube …, this means it is due to Zorin OS. …