You can utilize the Mute/Unmute and the Start/Stop Video controls to adjust your audio and video sources.
Mute/Unmute
To mute or unmute, select the Mute/Unmute control. The microphone icon will indicate if your microphone is active or not.
![](https://help.unlv.edu/TDPortal/Images/Viewer?fileName=1d596e22-b7bb-47be-b90a-b53b57791177.png&beidInt=2)
To adjust your microphone and speaker selection, open the menu to the right of the Mute/Unmute button (1).
In the audio menu, you can:
- Select which microphone you want to use (2)
- Select the speaker you want to use (3)
- Test your current speaker and microphone or leave computer audio (4)
- Change more audio settings (5)
![](https://help.unlv.edu/TDPortal/Images/Viewer?fileName=97368cd6-0f8b-446e-8384-4694e6885995.png&beidInt=2)
Don't see your audio device? Make sure they are connected to your device and powered on.
Start/Stop Video
To turn your video on or off, select the Start/Stop Video control. The camera icon will indicate if your camera is active or not. When your video is on, you should also see a preview of your video.
![](https://help.unlv.edu/TDPortal/Images/Viewer?fileName=5bdd736a-4f41-4d91-9002-243821461efa.png&beidInt=2)
To adjust your video source, open the menu to the right of the Start/Stop Video button:
![](https://help.unlv.edu/TDPortal/Images/Viewer?fileName=fa6d6157-3e90-4db6-b326-6b513c255394.png&beidInt=2)
In the video menu, you can:
- Change your video source
- Blur your background or activate a virtual background
- Choose a video filter
- Adjust more video settings
Need Additional Help?
For additional assistance, please visit the Zoom Knowledge Base for additional articles. You can also contact the IT Help Desk.