Microphone not working in Discord
When your mic works elsewhere but not in Discord, the culprit is usually the input device chosen inside Discord or a missing permission. Confirm the mic works first, then fix Discord.
Step-by-step fix
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First, confirm the mic itself works: run the CheckMyMic microphone test.
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In Discord, open User Settings → Voice & Video → Input Device and select the correct input device.
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Check the input level and make sure you're not muted inside Discord.
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Grant Discord microphone permission at the operating-system level.
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Restart Discord and rejoin your call.
Frequently asked questions
My mic works in the browser test but not in Discord — why?
That points to Discord's own device settings. Open User Settings → Voice & Video → Input Device and pick the same microphone that worked in the test.
Does Discord need separate mic permission?
Yes — even if your browser or system has access, Discord may need its own grant. Allow it in your OS privacy settings, then restart Discord.
Everything looks right but Discord still can't hear me — what now?
Update or reinstall Discord — device lists go stale after OS updates. Run the CheckMyMic mic test again to prove the mic itself, then check our mic guide for your operating system (Windows, macOS, and the rest): an OS-level permission or default-device change fixes this more often than anything inside Discord.
Why does Discord cut my voice off mid-sentence?
That's input sensitivity, not the mic. In User Settings → Voice & Video, turn off "Automatically determine input sensitivity" and drag the slider left until the bar lights up while you speak normally — or switch Input Mode to Push to Talk to bypass the gate completely.