I have purchased a new headset. Both audio input and output work fine on my mobile phone. On my Xps 9575 however, I get output but the only mic that appears is the defalt internal mic. I don't even find an option to select the headset mic. The computer doesn't even recognise it's plugged in.
I have looked at similar posts but nothing seems to work. I have uninstalled and reinstalled the Realtek drivers but to no avail.
I had the same problem as you are facing now. Actually it's not the problem of any hardware. Your Headset mic is not recognized because it's not configured properly. If you want to check how to do it then you can check the post below, as it has solved my issue😊. Here's the solution to headset mic not working: