For your information, bugs often mess up the functionality of computer peripherals and Bluetooth headset mic not working Windows 10 is a prime example. By running the Recording Audio troubleshooter, you should be able to address the issue with relative ease. Besides that, you can also grant apps permission to access the microphone, update the headset driver, give Bluetooth services some thought, tweak Sound settings and so on. You don't know your way around Windows 10 and need some help? In that case, please take a look at our video.