Windows - audio / video troubleshooting


Try out all the possible troubleshooting scenarios to fix the device issue-


Make sure you have selected the correct devices in your Cosmos Space.

  • Click on the arrow beside your mic and camera icons in Cosmos.
  • Ensure the correct devices are selected. If the right devices are selected but not working, click on them again to refresh the stream. If they still don't work, continue with the troubleshooting steps.

Mic and camera are being used by another video app

  • If this is the case, please quit the other video-calling app. To do so, click on the programs arrow in your taskbar < right-click to exit the program.
  • Then refresh the Cosmos page by pressing ctrl + R

Grant Cosmos permission to use the mic and camera on the browser

  • When opening Cosmos, a popup will request permissions for the mic and camera. Click Allow for both.

In case you accidentally clicked on Block/closed the popup:

  • Click the camera icon in the top-right corner of your browser's address bar and grant access to the mic and camera.

Make sure your mic and camera have system permissions to be used in apps and browsers

  • Go to your Windows search and type Microphone privacy settings

  • In the Microphone settings, Make sure you have all the mentioned toggles turned ON

  • Follow the same for Camera by searching Camera privacy settings and turning the toggles ON

Test if your device is physically working

  • Search settings in the Windows search bar and go to sound
  • Make sure you have the correct devices selected.

  • Click on the arrow beside the device name to open further device settings. Click on Start Test and say something to confirm if the device is working. The audio bar should move.

The browser tab might be muted

Right-click on the browser tab and select Unmute site if the tab is muted.

Still need help? Contact Us Contact Us