Order to check
- Make sure the page is open over HTTPS.
- Set the camera or microphone to "Allow" in the site settings in the address bar.
- Permit device use from the browser in the OS's privacy settings.
- Close any applications that are using your device, such as web conferencing apps.
- Select the input device you want to use and reload the page.
Common errors
- Permission denied: Check site permissions or OS permissions.
- Device not found: Check connections, power supply, drivers, and input device selection.
- Device could not be accessed: Close other apps, reconnect the USB device, and try restarting the browser.
- Requested settings are unsupported: Reduce requirements such as the resolution or frame rate.
After the test
Stopping the test also stops the media tracks used by this page. If the browser's device-in-use indicator remains visible, check whether another tab or application is using the device.
Specific example: When camera or microphone is not allowed in Chrome
Allow camera and microphone from the site information on the left side of the address bar and reload the page. If you still can't start, check if Chrome has permission in your Windows or macOS privacy settings.
- Make sure the page is HTTPS and opens on the intended domain.
- Change your browser's site permissions to "Allow" and reload.
- Allow browser and desktop apps to be used on the device in OS settings.
- Close Zoom, Teams, recording software, etc., and reselect the device you want to use.
Users may not be able to change permissions on management terminals at work or school due to administrator policies. In that case, please check with the administrator.
Frequently asked questions
- Even if I select "Block" once, can I change it to Allow?
- Yes. Change the permission to Allow in the site settings from the address bar, then reload the page.
- Why is there no video or sound even though permissions have been granted?
- Possible causes include another device being selected, another app using it, physical mute, a connection failure, or a driver issue. Troubleshoot them in order.