Input Device(microphone) is not showing

[zabadabadoo]

@el06 Hi and welcome to the Forum.
Can you tell us which version of Zorin you have installed e.g. Core or Lite?
Also what sound card/drivers do you have?

Is it just microphone that is not seen by Settings>Sound or are Output devices also showing blank?

This may be first thing for you to look at:

[HOW TO] Fix audio not working

To get audio working on your computer, open the Zorin menu → Settings → Sound and make sure that the correct device, profile, and volume are set. [sound] If this still does not resolve the issue, please follow these steps: Open the Zorin menu → Software. Search for "PulseAudio Volume Control" and click to "Install" it. After the installation, open the Zorin menu → Sound & Video → PulseAudio Volume Control. When the app appears, please make sure that the correct input/output settings are set…