Make sure the Allow apps to access your microphone option is enabled.

Optionally, you can press Windows + I keys to open Settings. Follow the steps to check if the app, such as Skype, has the permission to use your microphone. This is also one of the main reasons why the microphone not working issue is happening immediately after the recent Windows 10 update, which introduces new settings in Windows privacy. If you’re sure it’s not hardware problem, you may want to check the app’s permission for using your microphone via Windows 10 privacy settings. Check app’s permission to fix Microphone not working after Windows 10 update Try to use your Mic again and see if it works. When the driver installation is done, restart your computer.

Select Search automatically for updated driver.

Right-click your microphone and select Update driver.

If you don’t have any physical driver installation disc for your microphone, do the following. If you have a CD driver for your microphone, insert it and install the driver from the CD. If your Microphone doesn’t show up on the list, you may need to reinstall its driver.

Microphone not showing up