In this guide
Check the physical mute and connection, select the intended Windows input, and record and play the built-in microphone test. Then compare app and browser permissions and input settings; one successful test does not prove every call works.
If your microphone is not working in Windows 11, check its mute switch and connection, select it under Settings → System → Sound → Input, and play a short microphone test. If Windows detects sound but one app does not, check microphone permissions and the input selected inside that app. A quiet or distorted test needs a different response from a microphone that is not detected at all.
The steps below follow Microsoft's microphone troubleshooting guidance. Menu wording can vary by Windows version, device and driver.
Choose the symptom
| Symptom | First check | Next comparison |
|---|---|---|
| Microphone is missing from Input | Check the cable, headset connection or Bluetooth pairing and any physical mute. | Try another compatible port or device, then consult the manufacturer's driver guidance. |
| Microphone appears but is silent | Select it in Windows Input and run its microphone test. | Check mute, input volume and microphone permissions. |
| Windows test works but one app fails | Check that app's selected input, mute and permissions. | For a browser call, also check site permission and the browser-selected input. |
| Voice is quiet, noisy or distorted | Listen to the saved test and adjust placement or input volume gradually. | Compare the same phrase after each change and check for clipping. |
1. Check the microphone and select the input
- Check the microphone or headset's physical mute switch and connection. For a wireless headset, confirm it is paired and connected.
- Open Start → Settings → System → Sound.
- Under Input, select the microphone you want to use for speaking or recording. A laptop may show both a built-in microphone and a headset or external interface.
- Open that device's properties and speak. If the intended device is missing, check its connection and compatibility before assuming the browser or call app is at fault.
Microsoft's guide describes selecting the Windows input and checking wired or Bluetooth devices. An app may offer its own input selector, so selecting a Windows device is not proof that every app uses it.
2. Record and play the Windows microphone test
- On the selected input's properties page, find Microphone test and choose Start test.
- Speak a normal sentence, including a quiet word and a slightly louder phrase. Stop the test and play the recorded sample.
- Check that the words are intelligible and note whether they sound silent, quiet, noisy or distorted. Compare playback volume with a known working recording if you cannot hear the sample.
- If the recording is quiet, adjust the input-volume control on the same device page and repeat. Stop increasing it if louder words distort.
A meter moving shows input activity, not necessarily clear speech. Playback checks the recorded sample as well. A clear Windows test narrows the investigation toward the affected app, its permissions or its call settings, but does not prove the entire call path is working.
3. Allow microphone access for the app
- Open Settings → Privacy & security → Microphone.
- Check Microphone access and Let apps access your microphone. Enable access only for apps you want to use.
- If the program is a desktop app, check Let desktop apps access your microphone. Microsoft notes that desktop apps are not controlled by the same individual app toggles.
- Return to the app, select the intended microphone in its own settings, and repeat a test.
Microsoft's permission instructions explain the Windows controls. If you use a website, the browser may also require permission for that site. Grant it only when you want the site to access your microphone.
4. Compare a browser test
The Saturalabs microphone test can show input activity and play a short local sample in a compatible browser after permission is granted. Speak into the intended microphone and listen to the recording. The tool uses the browser-selected input; it does not change Windows settings, guarantee which device another app uses, or test an actual meeting.
If Windows and the browser both capture a clear sample but Discord does not, check Discord's input, mute and Voice Activity settings in the Discord microphone guide. If Windows itself records silence, check the hardware and Windows input path first.
What if Windows does not detect the microphone?
- Reconnect the device and check its physical mute, cable, port and any required power. For a headset with separate connectors, confirm they match the computer or adapter.
- Try another compatible port or a second computer if available. This helps distinguish a device issue from a particular connection, but does not identify every possible cause.
- Check the device manufacturer's current compatibility and driver instructions. Avoid assuming that a driver intended for another device or Windows version will work.
- Use the Windows audio troubleshooter or Microsoft's further troubleshooting steps if the device remains missing.
Driver removal or reinstallation can change other audio devices. Follow the manufacturer's and Microsoft's current guidance for your specific setup, and keep note of the device and driver before changing it.
Quiet, noisy or distorted microphone
| Sound | Try first |
|---|---|
| Quiet voice | Move to a consistent position, select the correct input and increase input volume gradually; compare the saved test. |
| Harsh loud words | Lower the overloaded input level and retest. Reducing the file afterward does not restore clipped peaks. |
| Background noise | Reduce the noise at its source or change placement; compare any app processing for lost words as well as noise. |
| Only one call participant hears a problem | Compare another listener and that participant's playback or user-volume settings. |
The microphone gain guide explains the difference between input gain and playback loudness. For a noisy saved file, the separate voice isolator can be tested on a supported recording; it may change words or leave noise, and AI WAV downloads require an account and credits. It does not fix a live microphone.
Common questions
Why does my microphone work in Windows but not in an app?
The app may use another input, be muted, or lack permission. Check its own audio settings and Windows privacy controls, then test again.
Why is my headset microphone missing?
Check connection, pairing, compatibility and the correct input under Windows Sound. If it is still missing, consult the device maker's driver instructions and Microsoft's troubleshooting guidance.
Does the online microphone test fix Windows settings?
No. It records a short sample from the browser-selected input after permission is granted. Windows and application settings must be changed separately.
Will turning up the volume fix a clipped recording?
No. Once peaks are clipped, raising or lowering the saved file does not restore them. Adjust the overloaded stage and make a new recording if possible.