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Fix Guide • Updated 2026-02-02

Fix Microphone Not Working (No Input, Too Quiet, Not Detected)

Fix microphone not working in browser and apps. Solve missing input device, muted mic, low volume, and permission issues.

Step-by-stepBeginner friendlyNo installRuns locally
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Step-by-step fixes

  1. Allow microphone permission
    Allow microphone permission – Browser lock icon → allow Microphone.
  2. Pick the correct input device
    Pick the correct input device – Set your mic as default in system sound settings.
  3. Check physical mute switches
    Check physical mute switches – Headsets often have an inline mute button.
  4. Increase mic level/boost
    Increase mic level/boost – Raise input level carefully; too much boost adds noise.
  5. Restart audio services
    Restart audio services – Replug USB headset, reboot PC, or restart the browser.

Verify the fix

After applying the steps above, run the tool to confirm the problem is solved:

Microphone Test

Related tools: Webcam • Microphone • Sound • Screen • Network