Click on the Recording tab, and then right-click in the space under the last recording device and click “ Show Disabled Devices“.Right-click on the Volume icon in the system tray and click on Recording devices.Method 2: Turn On Windows 10 Microphone from Sound Settings Then you need to reinstall or update the audio driver. Note: If there is a yellow mark (most probably an exclamation mark or a question mark) next to your microphone device, there is problem with the driver. Locate your audio driver (for example, Realtek High Definition Audio) and right-click on it. Double-click on Sound, video and game controllers to expand that section.Press the Windows key + X shortcut to open the WinX menu, and then select Device Manager.Method 1: Turn On Windows 10 Microphone Using Device Manager Microphone doesn’t work after Windows 10 upgrade? How can I re-enable the built-in microphone? In this tutorial we’ll show you 3 ways to enable / turn on microphone in Windows 10.