That’s why, if your headphones’ microphone isn’t working, it’s most probably because your Windows PC doesn’t recognize it as the default input device. However, this sometimes causes your PC to be confused with which device to use for certain settings: like the mic input. With Windows 10, you can configure multiple devices simultaneously and customize your sound settings for different events. This is especially so for Windows 10 PCs. But not all headsets are plug-and-play sometimes, you may need to do some settings tweaks to make them work properly. With working-from-home becoming the default practice, headsets with built-in mics have become a necessity. How to Use Headphones With Built-in Mic on Windows 10 PC Troubleshooting Headphones Mic Issues on Windows PC.How to Test Your Headset Microphone on Windows PC.How to Adjust the Headset Microphone Volume on Windows 10 PC.How to Enable/Disable Your Headset Mic in Windows 10.How to Use Headphones With Built-in Mic on Windows 10 PC.