Chromebook Microphone Not Working
When your Chromebook microphone stops working, websites and apps can't access audio input. This page covers how to fix microphone issues on Chromebook. Check browser permissions first, then verify Chrome OS settings.
You can use the online microphone test to confirm whether your device is working.
Check Chrome Browser Permissions
Chrome browser permissions control microphone access on Chromebook. Verify these are enabled.
- Click the lock icon in Chrome's address bar
- Find "Microphone" in the permissions list
- Change the setting from "Block" to "Allow"
- Refresh the page after changing the setting
- The website can now access your microphone
Check Chrome OS Settings
Chrome OS has system-level microphone settings. Verify these are configured correctly. For Chrome browser permission issues, see the guide on how to enable microphone in Chrome.
- Open Settings → Privacy and Security
- Go to Site Settings → Microphone
- Ensure "Ask before accessing" is enabled
- Review blocked sites and allow if needed
- Check that microphone access isn't globally blocked
Verify Input Device Selection
Chromebook may be using the wrong microphone. Check which input device is selected.
- Open Settings → Sound
- Go to Input section
- Check that your microphone appears in the device list
- Select the correct microphone if multiple devices are available
- Adjust input volume if needed
Check Physical Mute Switch
Some Chromebooks have a physical mute button or keyboard shortcut that disables the microphone.
- Look for a microphone mute key on your keyboard
- Check for Search + M or similar keyboard shortcuts
- Press the mute key again to unmute
- Check the system tray for microphone mute indicators
Test USB Microphone Connections
USB microphones may not be properly recognized on Chromebook. Verify connections.
- Unplug and reconnect USB microphones
- Try a different USB port
- Check Settings → Connected devices to see if the device is recognized
- Test with a different USB cable if available
- Some USB microphones may not be compatible with Chrome OS
Powerwash Chromebook
If microphone issues persist, a powerwash can reset Chrome OS settings. This erases all local data.
- Back up important files to Google Drive
- Open Settings → Advanced → Reset settings
- Select "Powerwash"
- Follow the on-screen instructions
- Sign back into your Chromebook after powerwash
- Test microphone again
Test Microphone After Fixes
After trying these steps, use the online microphone test to verify your Chromebook microphone is working. The test shows real-time volume levels and confirms device detection.
You can use the online microphone test to confirm everything is working.
Frequently Asked Questions
Why is my microphone not working on Chromebook?
Chromebook microphone issues are usually caused by denied browser permissions, wrong input device selection, or Chrome OS settings. Check Chrome browser permissions first, then verify Settings → Privacy and Security → Site Settings → Microphone.
How do I enable microphone on Chromebook?
Click the lock icon in Chrome's address bar, then set Microphone to Allow. Alternatively, go to Chrome Settings → Privacy and Security → Site Settings → Microphone and ensure access is enabled for the website.
Use the online microphone test to confirm everything is working.