Microphone Not Working on Discord: How to Fix It

A microphone not working on Discord usually comes down to one slider: Input Sensitivity. Set the threshold too high and Discord ignores your voice as background noise, even though the capsule works perfectly. The wrong input device or a stray self-mute explains most of the rest. Each is a setting inside Discord, not a hardware fault. Your voice still has to clear a few gates first — the operating system's privacy layer, then Discord's own voice controls — and a block at any one produces the same silence. This guide works from the app outward. Confirm a signal first with our microphone test, then open Voice & Video and run Let's Check. From there you will fix Input Sensitivity, device selection, and mutes before escalating to operating-system permissions and a clean reinstall. The closing sections cover the browser and mobile versions, which gate the microphone their own way.

Discord Microphone Not Working: Quick Fix Checklist

✓	In Settings › Voice & Video, run Let’s Check.
✓	Fix Input Sensitivity (enable automatic, or set the threshold).
✓	Select the right Input Device and raise the input volume.
✓	Check that you are not self-muted or server-muted.
✓	Grant the operating-system permission, or use Reset Voice Settings.

Test your microphone inside Discord

Confirm that the microphone captures sound before you change any Discord setting. The fix for "no signal at all" differs completely from the fix for "signal, but nobody hears me." A live input meter gives the fastest honest answer. It reacts to your voice in real time. A record-then-play-back loop hides device-selection mistakes, so avoid it here. Open our online microphone test and allow access when the browser asks. Now speak normally. If the level indicator moves as you talk, your microphone and drivers are fine. The fault then sits higher up, inside Discord or the operating system. If the meter stays flat, the signal is blocked or the wrong input is selected. The sections below show you exactly where to look.

Test Your Microphone →

Discord ships its own microphone tester, and it is the most direct in-app gauge. Open User Settings › Voice & Video. The gear icon sits beside your name at the bottom-left of the window. The Input Device dropdown names the microphone Discord will capture from. Confirm it matches the device you actually speak into. The Input Volume slider sets how loud that captured signal is; keep it near maximum. Find the Mic Test heading and press Let's Check. Speak normally. A green bar sweeps across as you talk. Movement proves Discord receives your voice. A flat bar means the signal never arrives. The table below maps every control in this panel and states what each one does.

Setting	What it does
Input Device	Selects which microphone Discord captures from
Input Volume	Sets how loud the captured signal is; raise it if you sound quiet
Mic Test ("Let's Check")	Plays a live green meter that reacts to your voice in real time
Input Mode	Chooses Voice Activity or Push to Talk
Input Sensitivity	Sets the volume gate that decides when Discord transmits your voice
Noise Suppression (Krisp)	Filters background noise, but can also cut a soft or distant voice
Reset Voice Settings	Restores every voice option in this panel to its default

Why a working microphone still goes silent in Discord

Input Sensitivity is the number-one Discord culprit

Discord does not transmit every sound your microphone captures. In Voice Activity mode, it opens a gate only when your voice passes a volume threshold. That threshold is Input Sensitivity. This single setting silences more Discord users than every hardware fault combined. The trap is invisible. Your microphone works, the green test bar moves, yet nobody hears you speak. Discord offers a switch named Automatically determine input sensitivity. When it is on, Discord tracks your voice and sets the gate for you. When someone turns it off, a manual threshold takes over. Set that threshold too high and normal speech never crosses it. The gate stays shut and you transmit silence. The fix has two paths. Turn Automatically determine input sensitivity back on and let Discord judge the level. Or drag the sensitivity slider by hand while you speak. A yellow bar shows your current level against the threshold marker. Set the marker just below where your speaking voice peaks. Your voice then opens the gate, while a quiet room does not.

Input Mode and the forgotten Push-to-Talk key

Input Mode decides how Discord starts transmitting. It offers two choices. Voice Activity opens the gate automatically when you speak. Push to Talk transmits only while you hold a chosen key. A forgotten Push-to-Talk binding is a classic trap. You speak, expect to be heard, and press nothing. Discord stays silent by design. Check which mode is selected in Voice & Video. If Push to Talk is active, either learn the bound key or switch back to Voice Activity. The bound key can also fail. A key you no longer press, or one captured by another program, never opens the channel. Reassign it under the Shortcut field if you keep Push to Talk.

Mutes hide in three separate places

A mute silences you while every other setting looks correct. Discord has three separate mutes, and any one of them is enough. You may have muted yourself. The microphone icon beside your name at the bottom-left turns red when you are self-muted. Click it once to unmute. You may instead be server-muted by a moderator. A moderator can mute you inside a voice channel, and no local setting overrides that. Your name shows a red muted icon that you cannot clear yourself. Ask a moderator to lift it. A hardware or headset mute button forms the third trap. Many headsets carry an inline switch that Discord cannot see. Check that switch before assuming a software fault.

Noise suppression and the wrong input device

Discord bundles Krisp noise suppression. It removes background sound with impressive force. Set too aggressively, it can also strip away a soft or distant voice. If friends say you fade in and out, lower or disable Noise Suppression in Voice & Video and test again. The wrong input device causes the same silence in a different way. The Input Device dropdown may remember a device that is now unplugged, or a webcam microphone you never use. Select the microphone you actually speak into, and do not trust whatever Discord chose on its own.

Fixing it, from the most common cause down

Work through these fixes in order. The sequence resolves the most cases first, with the least disruption. Discord's own voice settings account for the majority of failures, so start there. Only escalate to the operating system and reinstalls once the in-app checks pass. After each change, return to Let's Check or our microphone test and confirm a signal before moving on. That way you always know which step made the difference. The matrix below pairs each common symptom with its likely cause and its fix.

Symptom	Likely cause	Fix
Green test bar moves, but nobody hears you	Input Sensitivity threshold set too high	Enable automatic sensitivity, or lower the manual threshold below your voice
Nothing transmits and pressing keys does nothing	Input Mode stuck on Push to Talk	Switch to Voice Activity, or rebind the shortcut key
A red muted icon by your name you cannot clear	A moderator has server-muted you	Ask a moderator to remove the server mute
Your voice fades in and out mid-sentence	Krisp noise suppression too aggressive	Lower or disable Noise Suppression, then retest
The wrong or a silent microphone is captured	Input Device points at the wrong device	Choose your real microphone in the dropdown
Discord alone hears nothing; other apps work	The OS privacy layer blocks Discord	Allow Discord in the operating system's microphone settings

Reset Discord's voice settings

Suppose several voice options are wrong and you cannot tell which. Discord provides a clean slate. Scroll to the bottom of Voice & Video and press Reset Voice Settings. This restores every voice option to its default. Input mode returns to Voice Activity. Automatic sensitivity switches back on. A broken manual threshold, a stray Push-to-Talk binding, and an odd device choice all clear at once. Confirm the prompt, then run Let's Check again. This single action untangles many broken configurations faster than hunting each setting by hand.

Clear the operating system's microphone gate

Discord cannot capture audio the operating system withholds. Both Windows and macOS place a privacy gate in front of the microphone. On Windows, open Settings › Privacy › Microphone. Confirm that microphone access is on and that Let desktop apps access your microphone is enabled. Discord is a desktop app and depends on that switch. Our Windows 11 and Windows 10 guides walk through this layer in detail. On a Mac, open System Settings › Privacy & Security › Microphone and switch on the entry for Discord. macOS blocks the microphone silently until you do, with no prompt and no error. Our Mac guide covers the same privacy layer and how a Discord update can quietly reset it.

Windows quirks, updates, and a clean reinstall

A few Windows-specific tricks resolve stubborn cases. Running Discord as administrator restores capture in some setups where a game or overlay is holding the microphone. Right-click the Discord icon and choose Run as administrator. Windows also offers an exclusive mode that lets one app take sole control of a device. When another program claims the microphone exclusively, Discord is locked out. Disable exclusive control in the device's advanced sound properties. When nothing else helps, update Discord fully, because a pending update can break voice. A clean reinstall then clears a corrupt install and its cached settings. These stronger steps belong last, after the in-app and permission checks have failed.

Discord in the browser and on mobile

Discord runs in a web browser and on phones, and each version gates the microphone differently. The browser version does not use the Windows or macOS app permission. It relies on the browser's own per-site permission instead. Chrome, Edge, Firefox, and Safari each prompt for microphone access site by site. If the desktop app works but discord.com does not, the browser is blocking the site. Our Chrome guide shows how to grant that per-site permission, and other browsers follow the same pattern. The voice controls are identical once you are inside. Input mode, sensitivity, and device selection all live in the same Voice & Video panel. On mobile, Discord requests microphone permission on first use. If you denied it, grant it back in the phone's app settings under Discord. Once granted, the in-app voice settings mirror the desktop layout.

Keeping your Discord microphone reliable

A few habits keep Discord voice working once it returns. Leave Automatically determine input sensitivity on unless you have a firm reason to set it by hand. It adapts as your room and microphone change. Note which Input Mode you prefer, and keep any Push-to-Talk key consistent. Keep Discord updated, since voice bugs appear and are fixed often. Give each major update a quick Let's Check afterward, because an update often shifts settings. When the same microphone must serve several apps, test it in each one. A microphone that is flawless in Discord can still be blocked in another program. Our Zoom and Microsoft Teams guides cover those audio panels. Each app keeps its own device selector, and one wrong choice silences you there while Discord stays perfect.

Frequently Asked Questions

Why can Discord see my microphone but nobody hears me?

This is almost always Input Sensitivity. In Voice Activity mode, your voice must cross a volume threshold before Discord transmits. If that threshold sits too high, the gate never opens. Turn on Automatically determine input sensitivity, or lower the manual slider until your speech crosses it.

How do I test my microphone in Discord?

Open User Settings › Voice & Video and press Let's Check under Mic Test. A green bar reacts to your voice in real time. For an independent check, use our online microphone test in a browser. Comparing both shows whether the fault sits inside Discord.

What does Reset Voice Settings do?

It restores every voice option in Voice & Video to its default. Input mode returns to Voice Activity, and automatic sensitivity switches back on. A broken threshold, a stray key binding, and a wrong device all clear at once. It changes no other part of Discord.

Why am I muted when I never muted myself?

A moderator may have server-muted you in the voice channel. That mute overrides your local settings, and only a moderator can lift it. Check also for a red self-mute icon beside your name and for an inline mute switch on your headset.

Does the Discord browser version use the same permission as the app?

No. The browser version relies on the browser's per-site microphone permission, not the Windows or macOS app permission. Allow the microphone for discord.com in your browser. Our Chrome guide shows the exact steps, and other browsers follow the same pattern.