How to Test Your Webcam in Microsoft Teams

Microsoft Teams lets you preview your camera before anyone else sees it. A quick check before a meeting confirms that Teams is using the right device, that the image is clear, and that your operating system or browser is not blocking access. This guide covers the built-in ways to run a Teams webcam test and what to do when the preview stays blank.

Before you start

You need a working camera, either built in or connected by USB, and a signed-in Teams account. The camera preview is drawn by the Teams app on your own device, so you can check the image without joining a call. A test call is different: it is handled through the Teams service, so it needs an internet connection, and your organization may control whether it is available. If file handling or recording matters to you, check your organization's policies rather than assuming what is stored.

• Close other apps that may be using the camera, such as Zoom, the Windows Camera app or a browser tab with a video call.
• If the camera is external, connect it directly to the computer rather than through an unpowered hub if possible.
• Note whether you use the Teams desktop app or Teams in a web browser, because the permission steps differ.
• Update Teams if an update is waiting, since the layout of settings differs between older and newer versions.

Step-by-step instructions

Option 1: Preview the camera in device settings

• Open Teams and select the three-dot menu (Settings and more) next to your profile picture.
• Choose Settings, then open Devices.
• In the Camera section, open the drop-down list and choose the camera you want to use.
• Watch the preview below the drop-down. You should see a live image from the selected camera.
• If you have several cameras, switch between them in the list to confirm which one is which.

Menu names and positions can vary between the classic and new Teams apps and between Windows, macOS and the web version. If you cannot find Devices directly, look for it inside the Settings panel; it is the section that lists audio devices and the camera.

Option 2: Check the camera on the pre-join screen

• Start or join a meeting, or use Meet now from the Calendar or Chat area if your account has it.
• Before selecting Join now, look at the preview window on the pre-join screen.
• Make sure the camera toggle is turned on.
• Open the device settings on that screen to confirm or change the selected camera.
• If you only wanted a test, close the window without joining, or end the Meet now session after checking.

The pre-join screen is also where you can turn background effects on or off. If the image looks blurred or replaced, check that a background effect is not applied before deciding the camera is at fault.

Option 3: Make a test call

Some versions of Teams include a Make a test call option in the Devices settings. It is mainly designed to check your microphone and speaker, and depending on your version it may also report the state of your camera. If the option is missing, your version or organization does not offer it; use the preview methods above instead.

Check the output

A successful test shows a smooth live image from the camera you selected. Confirm the following before your call.

• Selected camera: the preview matches the device you intend to use, not a virtual camera or a docked laptop's closed lid camera.
• Lighting: your face is lit from the front. A bright window behind you makes your face dark, and Teams cannot fully correct that.
• Framing: your eyes sit near the upper third of the image and your head is not cut off.
• Motion: moving your hand shows no long freezes. Brief stutter may come from the camera, USB connection or system load.
• Mirroring: your own preview may look mirrored. That does not necessarily mean other participants see a flipped image.

Teams does not offer a manual resolution or frame rate setting for your outgoing video. It adjusts video quality during a call based on your network, device performance and the meeting layout, so what others receive can be lower than what your preview shows. If you need to know the exact resolution and frame rate your camera supports, check the camera manufacturer's specifications or a dedicated camera test tool.

Common problems and next steps

The preview is black or says no camera is found

Check camera permission at the operating system level first. On Windows, open Settings, then Privacy & security, then Camera, and make sure camera access and desktop app access are allowed. On macOS, open System Settings, then Privacy & Security, then Camera, and make sure Microsoft Teams is enabled; you may need to restart Teams afterwards. Also check for a physical privacy shutter or a keyboard key that disables the camera on some laptops.

Teams in a browser cannot use the camera

When you use Teams on the web, the browser asks for camera permission for the Teams site. If you blocked it earlier, open the site permissions from the icon next to the address bar, allow the camera, and reload the page. Use a browser that Teams supports, such as a current version of Microsoft Edge or Google Chrome.

The wrong camera is selected

Teams may pick a different device after you dock a laptop or connect a new camera. Reselect the camera in Devices settings or on the pre-join screen. Virtual cameras installed by other software also appear in the list and can be chosen by mistake.

The camera works elsewhere but not in Teams

• Quit any other app that might hold the camera, then fully restart Teams rather than only closing its window.
• Sign out of Teams and sign back in.
• Update Teams and your operating system.
• On Windows, check Device Manager for a camera driver warning and update the driver from the manufacturer if needed.
• Restart the computer if the camera still does not appear.

The image looks dark, grainy or choppy

Improve the lighting in front of you first, since low light is a common cause of grain and lower frame rate on webcams. Clean the lens, close heavy apps that compete for processing power, and turn off background effects to see whether performance improves. If quality drops only during calls, your network connection is the more likely limit, because Teams reduces video quality when bandwidth is constrained. If the camera is managed by your workplace, contact your IT team, as policies may restrict camera use or device settings.