. Windows will automatically attempt to reinstall the driver upon reboot. Common Issues and Solutions

Specialized apps like Microphone Driver Manager can help manage and backup drivers for some users. Fix microphone problems - Microsoft Support

If your microphone is missing from the list, it might be disabled. Right-click the Speaker icon in the taskbar, select Sounds , go to the Recording tab, right-click an empty area, and select Show Disabled Devices .

Sometimes the problem isn't just the driver, but how Windows is configured to use it.

Expand or Sound, video and game controllers .

In the confirmation box, if available, check and click Uninstall .