Test your webcam in your operating system's built-in camera app first

The fastest way to check whether your webcam works is to open the camera process that came with your computer. On Windows 10 and 11, search for "Camera" in the Start menu and click the app—it will show your live video feed when ready. On Mac, open Launchpad, search for "Photo Booth," and click it; you'll see yourself on screen within seconds. On Linux, the method varies by distribution, but GNOME systems include Cheese (search your applications menu for it), and KDE systems have Kamoso.

If you see your video feed, your webcam hardware is working. If the app opens but shows a black screen or says "no camera found," move to the next section. If the app won't open at all, check that no other program is using the camera—some video conferencing apps lock the camera while they run, preventing other apps from accessing it.

Key Takeaways

  • Your operating system's built-in camera app (Camera on Windows, Photo Booth on Mac, Cheese on Linux) is the quickest way to confirm your webcam works.
  • If the camera app shows video, your hardware is fine; if it shows a black screen, check device settings and permissions.
  • Windows Device Manager and Mac System Report both show whether your computer recognizes the webcam as a connected device.
  • Browser-based camera tests let you check whether specific applications like Zoom or Google Meet can access your webcam.
  • Restarting your computer and closing other apps using the camera often fixes temporary problems without requiring driver updates.

Check Windows Device Manager to confirm the camera is recognized

If your camera app shows a black screen, Windows may not recognize the webcam as a device. Open Device Manager by right-clicking the Start button and selecting "Device Manager," or search for it directly. Look for a category called "Cameras" or "Imaging devices." Click the arrow next to it to expand the list.

If you see your webcam listed with no warning icon, Windows recognizes it. If there's a yellow exclamation mark or question mark next to the camera name, the driver may be corrupted or missing. Right-click the camera name and select "Update driver," then choose "Search automatically for updated driver software." Windows will search online and install the latest version if one is available.

If "Cameras" or "Imaging devices" doesn't appear at all, your computer may not detect the webcam as a hardware device. This usually means a loose USB connection (if it's an external camera) or a hardware failure. Try unplugging and replugging an external webcam, or restart your computer and check Device Manager again.

Check Mac System Report for camera hardware recognition

On Mac, click the Apple menu in the top-left corner, select "About This Mac," then click "System Report." In the left sidebar, look for "Hardware" and click "USB" (if your webcam is external) or "Camera" (if it's built-in). You should see your camera listed with a green status indicator.

If the camera appears in System Report but Photo Booth shows a black screen, the hardware is recognized but something is blocking access. Check System Preferences (or System Settings on newer macOS versions) by clicking the Apple menu and selecting "System Preferences" or "System Settings." Search for "Camera" or "Privacy," then click "Camera." Make sure the apps you want to use the camera with are listed and toggled on.

If your camera doesn't appear in System Report at all, restart your Mac and check again. If it still doesn't appear, the camera may be disconnected internally (on built-in cameras) or the USB cable may be loose (on external cameras).

Test your webcam in a web browser

Many video conferencing platforms let you test your camera directly in your web browser before joining a call. Open Google Meet (meet.google.com), click "New meeting," and you'll see a preview of your camera feed. Zoom has a similar test at zoom.us/test—click "Join a Test Meeting" and you'll see your video before entering an actual meeting. Microsoft Teams offers a camera test at teams.microsoft.com.

These browser tests are useful because they show whether the specific process can access your camera, separate from whether your operating system recognizes it. If your camera works in the OS camera app but not in a browser test, the browser or process may not have permission to use the camera. Check your browser's camera permissions by clicking the lock icon in the address bar (on Chrome, Firefox, or Edge) and making sure the camera is set to "Allow."

Grant camera permissions to applications and browsers

Both Windows and Mac require you to give permission before apps can use your camera. On Windows 10 and 11, open Settings, click "Privacy & Security," then "Camera." Toggle on "Camera access" at the top, then scroll down and make sure the apps you want to use the camera are toggled on individually.

On Mac, open System Preferences or System Settings, click "Security & Privacy" (or "Privacy & Security" on newer versions), then click "Camera" in the left sidebar. You'll see a list of apps that have requested camera access. Make sure the apps you use are checked. If an app isn't listed, it hasn't requested permission yet—open that app and it should prompt you to allow camera access.

For web browsers, permissions are usually per-website rather than per-browser. When you visit a site that wants to use your camera, your browser will ask "Allow [website] to access your camera?" Click "Allow" and the site can use it. If you accidentally clicked "Block," click the lock icon in the address bar and change the camera setting from "Block" to "Allow."

Restart your computer and close other camera-using apps

Many camera problems are temporary and disappear after a restart. Close all applications, shut down your computer completely (not sleep mode), wait 10 seconds, and turn it back on. Then open your camera app again.

If restarting doesn't help, check whether another process is using the camera. Video conferencing apps like Zoom, Skype, and Google Meet lock the camera while they're running, preventing other apps from accessing it. Close these apps completely—not just minimizing them—and try your camera app again. On Windows, you can see which apps are using the camera by opening Settings, clicking "Privacy & Security," then "Camera," and looking at "Camera usage." On Mac, Activity Monitor (search for it in Spotlight) shows running apps; look for any video conferencing or camera app and quit it.

Update or reinstall your camera driver on Windows

If Device Manager shows your camera but it's not working, the driver may be outdated or corrupted. Right-click your camera in Device Manager and select "Update driver." Choose "Search automatically for updated driver software" and let Windows search online. If an update is found, Windows will install it automatically.

If updating doesn't work, try uninstalling and reinstalling the driver. Right-click your camera in Device Manager and select "Uninstall device." Check the box that says "Attempt to remove the driver software for this device" and click "Uninstall." Restart your computer. Windows will automatically reinstall the driver when it detects the camera again.

If you know the camera manufacturer (Logitech, Razer, Microsoft, etc.), you can also visit their website, search for your camera model, and read the latest driver directly. This is sometimes more reliable than Windows Update, especially for older cameras.

Frequently Asked Questions

Why does my camera work in one app but not another?

The app that isn't working probably doesn't have permission to use your camera. Check your operating system's camera permissions (Settings on Windows, System Preferences on Mac) and make sure the app is toggled on. If the app isn't listed, open it and it should prompt you to allow camera access.

My external USB webcam isn't showing up in Device Manager. What should I try?

Unplug the camera from the USB port, wait 10 seconds, and plug it into a different USB port on your computer. Avoid USB hubs if possible—plug directly into a port on the computer itself. If it still doesn't appear, try the camera on a different computer to determine whether the camera or your computer's USB port is the problem.

Can I test my webcam without opening an app?

Yes. On Windows, you can use the Camera app's built-in test, or visit a browser-based test like zoom.us/test. On Mac, Photo Booth is the simplest option. Both show your live video feed without requiring you to join a meeting or call.

What if my camera works but the image is upside down or sideways?

This is usually a software setting, not a hardware problem. Check the camera app's settings menu (usually a gear icon) for a "Rotate" or "Flip" option. Some apps also let you rotate the image in their own settings rather than in the camera app.

Do I need to update my camera driver if it's working fine?

No. If your camera is working and you're not experiencing problems, you don't need to update the driver. Driver updates are mainly useful if you're having issues like a black screen, lag, or compatibility problems with specific apps.