Webcam Not Working? 8 Fixes for Zoom, Teams, and Windows 11

Step-by-Step Guide

1. 1

   Fix 1: Check camera permissions in Windows 11 or macOS

   Windows 11 and macOS require explicit permission for each application to access the webcam. An app that has never been granted camera access shows a black screen or is not listed as a camera source even though the physical camera is functioning. Windows 11: go to Settings, Privacy and Security, Camera. Ensure 'Camera access' is On (master toggle). Then scroll to 'Let apps access your camera' and verify your video conferencing app (Zoom, Teams, Chrome, etc.) is listed and enabled. macOS: go to System Settings, Privacy and Security, Camera. Enable access for each app that needs the camera. In both systems, newly installed apps may not appear in this list until they request camera access — open the app and initiate a video call to trigger the permission request.

2. 2

   Fix 2: Close applications that are using the webcam

   Only one application can use a standard webcam at a time on Windows. If Zoom, OBS, Chrome, and Skype are all open, only the first one to claim the camera can use it — the others see a black screen or error. Close all applications that may use the camera and open only the one you need. Windows 11 added camera sharing capability for some drivers, but most webcams still use exclusive access. Common culprits that hold camera access in the background: Windows Camera app (which opens automatically with some Windows updates), Skype background tasks, Discord with camera active in a previous call, and OBS with a scene that includes a video capture source.

3. 3

   Fix 3: Update or reinstall the webcam driver

   Webcam drivers can become corrupted after Windows updates, which often triggers camera failures that appear immediately after a major update. Open Device Manager (right-click Start, Device Manager), expand Cameras or Imaging Devices. If the webcam shows a yellow warning icon, the driver needs reinstallation. Right-click the camera device, Update Driver, Search automatically for drivers. If Windows cannot find an updated driver, right-click, Uninstall Device, then disconnect the webcam USB cable, reconnect, and let Windows reinstall the driver automatically. For webcams with proprietary software (Logitech G Hub, Razer Synapse), uninstalling and reinstalling the companion software typically reinstalls the driver as part of the process.

4. 4

   Fix 4: Fix a black screen in Zoom, Teams, or Google Meet

   A black screen from a webcam in a specific video conferencing app while other apps work indicates the app is not receiving the camera feed. In Zoom: go to Settings, Video, and verify your webcam is selected in the Camera dropdown. If 'No Video' appears, click the dropdown and select your webcam by name. In Teams: go to Settings, Devices, and select the camera under the Camera section — a preview shows if the camera is accessible. In Google Meet: click the camera icon in a call, select the camera from the dropdown. For all apps: if the correct camera is selected and still shows black, close and fully restart the app. On Windows: close from the system tray, not just the window.

5. 5

   Fix 5: Fix a distorted, pixelated, or laggy camera feed

   A pixelated or laggy camera feed indicates either insufficient USB bandwidth, CPU overload, or a failing USB cable. USB bandwidth: webcams use USB bandwidth, and multiple high-bandwidth USB devices sharing a USB hub or the same USB controller can cause bandwidth competition. Connect the webcam directly to a USB port on the motherboard, not a USB hub. CPU overload: high-resolution webcams (4K) require significant CPU processing. If the CPU is at near-100% use, the webcam processing is throttled. Reduce the resolution in the camera settings or app video settings. USB cable: for webcams with detachable USB cables, try a different USB-A to USB-C or USB-A to USB-B cable — cable degradation causes intermittent bandwidth issues.

6. 6

   Fix 6: Fix Zoom or Teams showing the wrong camera

   Computers with multiple cameras (built-in laptop webcam plus an external webcam) often default to the wrong camera. In Zoom: Settings, Video, Camera — select your external webcam by name. In Teams: Settings, Devices, Camera — select and preview your external webcam. In Google Meet: camera icon during a call. Once selected in the app, the preference is saved for future calls. If the app keeps reverting to the built-in camera, the issue is the external webcam being re-enumerated as a new device after reconnection — try a different USB port. On Windows, the external webcam may need to be set as the default in Windows Camera settings.

7. 7

   Fix 7: Fix webcam audio not working in video calls

   Webcam built-in microphones are a separate audio device from the camera video device. If the webcam video works but the microphone does not, the microphone access permission or default recording device is the issue. Windows: right-click the speaker icon, Open Sound Settings, Input — select your webcam's microphone device. If not listed, go to Settings, Privacy, Microphone and enable access for the app. In Zoom: Settings, Audio, Microphone — select the webcam microphone by name. In Teams: Settings, Devices, Microphone — select webcam microphone and test. The webcam appears as two separate devices in Windows — one for video (under Cameras) and one for audio (under Sound, Recording tab).

8. 8

   Fix 8: Fix the webcam not detected after a Windows update

   Major Windows updates occasionally remove or corrupt webcam drivers, causing the camera to disappear from Device Manager entirely. If the webcam is not listed in Device Manager under Cameras or Imaging Devices after a Windows update: click View, Show hidden devices. The webcam may appear as a grayed-out entry. Right-click, Properties, and check whether the device is disabled — enable it. If the device is not listed even with hidden devices visible, the driver was removed. Download the driver directly from the webcam manufacturer's support page (Logitech, Razer, Elgato) and install manually. Alternatively, use Windows Update's optional drivers section: Settings, Windows Update, Advanced Options, Optional Updates — the webcam driver may appear there.