Webcam Not Working? How to Fix It Before Your Next Video Call

Your meeting starts in two minutes and the camera shows… a black box. Or "No camera found." Webcam problems almost always come down to privacy settings, another app using the camera, or the wrong camera being selected. Here's how to check each one quickly.

Many laptops now have a sliding privacy shutter over the camera, or a camera on/off key on the keyboard (often a function key with a camera symbol). If your picture is black or shows a camera with a line through it, check these first.

Usually only one app can use the webcam at a time. If Teams is open in the background, Zoom may not get the camera.

• Close other video apps completely, including from the system tray (next to the clock).
• Close browser tabs that use video, such as an old Google Meet tab.
• Still stuck? Restart the computer.

Your system may be blocking apps from using the camera.

• Windows: Settings → Privacy & security → Camera. Turn on Camera access and Let apps access your camera, and make sure the app you're using is allowed. For desktop apps like Zoom, also turn on Let desktop apps access your camera.
• Mac: System Settings → Privacy & Security → Camera, and switch on the app you're using. You may need to quit and reopen the app afterward.
• Browsers: if you join calls in a browser, click the camera or padlock icon in the address bar and set the camera to Allow.

If you have an external webcam, a docking station or a virtual camera app installed, your video app may be using the wrong one.

• Zoom: Settings → Video → Camera
• Teams: Settings → Devices → Camera
• Google Meet: the three-dot menu → Settings → Video

Pick your camera from the list. The preview should show your picture.

Open the built-in Camera app on Windows or Photo Booth on a Mac.

• Works there but not in your meeting app? The problem is that app's settings or permissions.
• Doesn't work anywhere? Keep going.

1. Right-click the Start button → Device Manager.
2. Expand Cameras (or Imaging devices).
3. Right-click your webcam → Disable device, then Enable device.
4. If that doesn't help, choose Uninstall device and restart. Windows reinstalls it automatically.

Also check Windows Update and your PC maker's support site for camera driver updates.

• Plug it directly into the computer, not a hub.
• Try a different USB port and cable.
• Some webcams need power that a front-panel or unpowered hub port can't supply.

• Light your face from the front. A window behind you turns you into a silhouette.
• Wipe the lens. Laptop cameras get smudged easily.
• Lower other demands on your connection. Poor video quality on calls is often a slow internet connection, not the camera itself.

Check the shutter, close other apps, allow camera access in privacy settings, and pick the right camera in your meeting app. Test in the Camera app to see whether the problem is the webcam or just one app. Do it a few minutes before the meeting, not during it.