Nari mic not working

Suddenly my mic stopped working. I have uninstalled and reinstalled Synapse 3. Made sure Nari is set as my default device. I can hear my voice when sidetone is on but windows does not register any voice activity. I have read through several previous posts about this issue and checked all the settings recommended. Any help would be greatly appreciated - tried going back to an old headset to talk and it was terrible, I really like my Nari.