How to Test and Improve Your Laptop's Built-in Microphone

Every laptop has a built-in microphone, but they are often poor quality. If people complain they can't hear you or that there's too much background noise, it's time to test your mic and learn how to fix your microphone on a laptop.


A laptop with an arrow pointing to the small microphone hole near the webcam.
The built-in microphone is usually a tiny hole next to the webcam.

Common Problems with Laptop Microphones

Built-in mics are convenient but prone to several issues that can degrade your microphone quality:

  • High Background Noise: They are notorious for picking up the laptop's internal fan noise and the sound of you typing.
  • Echo and Reverb: Because the mic is far from your mouth, it captures the entire sound of the room, often resulting in echo.
  • Low Volume: Many built-in mics are not very sensitive, forcing you to lean in and speak loudly.

How to Perform a Laptop Mic Test

The first step in any microphone troubleshooting is to get a baseline. Our online mic test lets you hear exactly what others hear.

  1. Go to the Tester: Click the button below. The tool will automatically ask for permission to use your default mic, which is usually the built-in one.
  2. Record Your Voice: Use the online voice recorder to speak a few sentences. Don't lean closer to the screen than you normally would during a call.
  3. Listen to the Playback: Does it sound clear? Is the fan noise overwhelming? This quick mic testing gives you the data you need.
Test Your Laptop Mic Now

How to Fix Your Laptop Mic and Improve Quality

If your laptop microphone is not working or just sounds bad, here are some tips:

  1. Always Use Headphones: This is the most important tip. It prevents sound from your laptop's speakers from being picked up by your mic, which is the primary cause of echo and howling.
  2. Check Your Settings: If the mic is not detected, go to your Sound settings in Windows or macOS. Make sure the "Internal Microphone" is selected and its input volume is turned up.
  3. Use Software Noise Suppression: Apps like Discord and Zoom have excellent built-in "Noise Suppression" features. Find them in the audio settings and turn them on. This is the best way to reduce background noise.
  4. Consider an External Mic: For the best quality, a dedicated external USB microphone for your PC or laptop will always be a major improvement over the built-in option.