Microphone Not Working in Windows 11 — How to Fix It

You join a call and nobody can hear you. The microphone icon has a red line through it. Your headset worked fine this morning. Microphone problems in Windows 11 are extremely common — especially after updates — but most of them come down to one of a handful of root causes that are easy to fix.

Step 1: Check Microphone Privacy Settings

Just like the camera, Windows 11 has privacy controls that can block apps from accessing your microphone:

1. Press Windows + I to open Settings
2. Go to Privacy & Security > Microphone
3. Make sure Microphone access is turned On
4. Scroll down and confirm the specific app (Teams, Zoom, Chrome) is also toggled On

A Windows Update is the most common reason these settings get silently reset. Check this first before anything else.

Step 2: Check the Default Microphone Device

If you have multiple audio devices (headset, built-in mic, external USB mic), Windows may be listening to the wrong one:

1. Right-click the speaker icon in the taskbar and select Sound settings
2. Under Input, check which device is set as the default
3. If the wrong device is selected, click the dropdown and choose your microphone
4. Click on the microphone and use the Test your microphone button to check the input level

If the input level bar does not move when you speak, either the wrong device is selected or the microphone is muted.

Step 3: Check the Microphone Is Not Muted

Check for muting in multiple places — it can be enabled at hardware level, OS level, and app level independently:

• Hardware: Check your headset or microphone for a physical mute button
• Windows: In Sound settings, click your microphone and check the volume is not at 0
• App: Check within Teams, Zoom, or your video call app that the mic is not muted
• Keyboard: Some laptops have a dedicated microphone mute key (look for a mic icon)

Step 4: Update or Reinstall the Audio Driver

A corrupted or outdated audio driver is a frequent culprit, especially after a major Windows update:

1. Right-click Start and open Device Manager
2. Expand Audio inputs and outputs and Sound, video and game controllers
3. Right-click your microphone or audio device and select Update driver
4. Choose Search automatically for drivers

If updating does not help, try uninstalling the audio device entirely, restarting, and letting Windows reinstall it automatically.

Step 5: Run the Audio Troubleshooter

1. Go to Settings > System > Troubleshoot > Other troubleshooters
2. Click Run next to Recording Audio

Windows will detect common microphone issues and attempt to fix them. It catches driver problems and incorrect default device settings in many cases.

Step 6: Check the App’s Own Settings

Many video calling apps have their own microphone settings that are separate from Windows:

• Microsoft Teams: Click your profile picture > Settings > Devices — check the microphone dropdown
• Zoom: Settings > Audio — check Input and run a test
• Google Meet / Chrome: Click the padlock icon in the address bar and ensure Microphone is set to Allow

Step 7: Check for Exclusive Mode Issues

Windows allows apps to take exclusive control of the microphone, which can block other apps from using it:

1. Go to Sound settings > More sound settings
2. Go to the Recording tab, right-click your microphone and select Properties
3. Go to the Advanced tab
4. Untick Allow applications to take exclusive control of this device
5. Click Apply

Related Guides

• Webcam Not Working in Windows 11
• How to Test Your Webcam Before a Call
• Teams Microphone Not Working Fix