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Real Decibel Meter

Microphone Not Working? Fix It

Each failure on this site has its own message. Match yours below and follow the recovery.

Last materially reviewed: 2026-09-16

  • Permission denied. Open the lock/tune icon in the address bar → allow the microphone → press Start again. Also check the OS privacy switch for microphone access.
  • No microphone detected. Connect a device, check OS sound settings, reload, press Start.
  • Microphone is busy. Close video calls, recorders or other tabs using the mic, then retry.
  • Device disconnected. Reconnect, reselect it in the microphone list, press Start.
  • Browser not supported. Use a recent Chrome, Edge, Firefox or Safari in a secure (HTTPS) context.
  • Still stuck? Reload the page, try another microphone, and check OS-level mic privacy switches.

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