Hover over the camera or microphone icon at the bottom of your window to access more options. From this menu you can select the microphone or camera that you'd like to use for your Vowel meeting.

In some cases, Vowel won't detect a camera or microphone OR the devices could be blocked. When this happens, there are a few things you can do to get everything working again.

Accidentally block permissions?

When Vowel first asks permission to access your camera and microphone, you may have chosen "Block" instead of "Allow" by mistake.

In this case, please press the camera icon in the browser's address bar to undo the block, then press "Try Again." The icon will either be in the top right or top right or top left:

Make sure your browser is up to date

Sometimes an older browser won't recognize your camera. Make sure that you are on the most up to date version. There are links below that walk you through updating your browser if you don't know how to:

  • Google Chrome

  • Mozilla Firefox

  • Safari – This browser is updated automatically when your update macOS.

  • Microsoft Edge - This browser is updated automatically when you update Windows

Clear Your Cache and Cookies

It's possible that this is caused by a stale mic/cam permissions cookie, or possibly because of another application that's taking priority access over Vowel.

In this case we recommend clearing your cache and cookies for your entire browser and then restarting your computer. Sometimes a reset of your system environment will resolve these types of issues, so this is a "catch-all" solution before further investigation is required! Instructions for clearing your cache and cookies for our supported browsers are linked below:

Confirm the Mic/Cam settings for your operating system


In MacOS, Apple some system-level privacy controls for your mic and camera. These are great for privacy, but it is possible that your browser was mistakenly blocked from accessing your devices. To access these settings, do the following:

  1. Click on the Apple in the top left > select System Preferences.

  2. Click on the Security & Privacy section.

  3. Click on Camera in the list of options, and tick the box next to your browser to allow access.

  4. Repeat Step 3 for your Microphone

  5. After doing this, restart your browser for the updates to take effect


In Windows 10, you're able to set a default Microphone, but there are also system-level Camera permissions on what applications can access your camera. For either of these settings, the first thing to do is open up your system settings by clicking on the Start menu and selecting the Settings gear.

Default Mic

You can adjust the microphone settings by typing "Mic" into the search bar and going to the Sound settings. Scroll down to Input and use the dropdown to select the proper input device

Camera Permissions

Camera permissions can be accessed by typing "Cam" into the search bar. These settings are under your general Privacy settings, but search is the easiest way to access them. From here, be sure that your browser has permission to access your camera.

Still not working? A couple more things to check...

Adjusting your Firewall

Some browsers are not able to connect through strict networks/firewalls. Also there may be bugs in the browser causing problems with connection. If you are experiencing this, try switching to another browser. Currently Firefox is not supporting connections through very strict firewalls, so if you are on a corporate network, try to get all participants to use Chrome.

Browser Extensions

Interfering browser extensions: It is not uncommon for some third party extension to cause problems with some websites. To test this, try using your browser through an Incognito tab or Private browsing window. If all works normally then you know that an extension is causing an issue. Unfortunately there is no way to identify which one easily. A process of elimination will need to be done on each extension to fine the one causing the problem.

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