How to Use Zoom Virtual Backgrounds on Ubuntu

Before you start

Zoom processes the virtual background locally on your computer. The feature needs the current Zoom desktop client for Linux and a camera that is available to Ubuntu and connected in Zoom. Close other applications that may be using the camera, because Zoom can usually access a camera from only one program at a time.

Open the Zoom settings and check that the selected camera shows a preview. If the camera works in the preview but the background controls are missing, the installed Zoom version may not support virtual backgrounds on your setup. Keep a plain background behind you where possible; a busy scene can make the effect less stable.

Step-by-step instructions

Use the desktop client rather than the browser version when you need virtual backgrounds. Start with Zoom closed if you are going to install a newer version, then launch the client and follow these steps.

• Select your profile icon or open the Settings menu in the Zoom desktop client.
• Choose Video from the settings categories.
• Confirm that the selected camera is the device you want to use and that the preview is visible.
• Look for the Virtual Backgrounds option in the same Video settings area.
• Select an included background or add a prepared image.
• Return to a meeting and open the video options if you want to change the background during a call.

In some Zoom for Linux builds, the Virtual Backgrounds entry appears only when a camera preview is active. If the entry is absent, update Zoom to the latest version available for your Ubuntu release. A green screen is not required, but even lighting and a plain wall help the effect separate you from the background.

Check the output

Confirm the result in the Video settings preview before joining an important meeting. Move your hands and turn your head slightly while watching the preview. The effect should not flicker or replace parts of your face, hair, or clothing with the background image.

Zoom may also show a small preview in the meeting window. Check that the virtual background remains active with your selected camera. If the preview looks correct but the call still shows the real room, leave the meeting video settings and enable the background again from the meeting controls.

Common problems and next steps

If the image appears distorted, match the source image to the camera's aspect ratio and use a large enough image size. A landscape image usually works best for a standard webcam view. If Zoom says the image cannot be used, try a different file format or a smaller image; very large images can be rejected or load slowly.

When the background disappears or the button is unavailable, check the camera permission and the installed Zoom client version. Ubuntu system settings may need to allow Zoom to access the camera. If you have been sharing the camera with another application, close that application and restart Zoom so the selected camera can be used again.

For a cleaner result, reduce background clutter and face a consistent light source. Some computers handle high-resolution video with a lower frame rate, so choose a resolution that keeps your video smooth. If the effect remains unreliable, a plain physical backdrop is a reversible fallback that does not depend on Zoom's background processing.