Make sure your microphone is connected to your PC. Select Start > Settings > System > Sound. In Input, select the microphone that you want to test. In Input settings, look at Input volume while speaking into the microphone. If the bar moves while you speak, your microphone is working properly.

Here's how to do this in Windows 11: Select Start > Settings > System > Sound. In Input, select a microphone to see its properties. In Input volume, make sure the blue bar adjusts as you speak into the microphone. If it doesn't, go to Test your microphone and Start test.

Use this online mic test tool to check the working of your microphone Instructions (For Mic Test): Click the ‘Test’ Button. Click ‘allow’ if you see a question in the browser. Now the line should move as you speak through your mic! If the line is responding to sounds, then that means the mic works!