How to Fix a Dell Monitor Webcam That Stops Working

A webcam built into a Dell monitor is a USB device inside the display. It is not part of the video signal. When it stops working, the cause can be the cable, the computer's privacy settings, the browser or the camera chosen in the app. The steps below start with the simplest checks, and each one can be undone.

Identify the symptom and environment

Write down what you actually see. Each symptom points to a different cause:

• The camera does not appear anywhere on the computer.
• It appears in the app's camera list but shows a black or frozen picture.
• It works in one app but not another, or fails only in the browser.
• It stopped after the computer woke from sleep, after an update, or after you moved cables or a dock.
• The picture works but looks dark, grainy or choppy.

Also note your operating system and version, the app or browser you use for calls, and how the monitor connects to the computer. It may use a single USB-C cable, or a video cable plus a separate USB upstream cable. Check the user guide for your exact model to confirm which connection the webcam needs.

Isolate where the fault occurs

The camera only works if the monitor has a data connection to the computer. A video-only cable such as HDMI or DisplayPort carries the picture but not the webcam. If the monitor uses USB-C, both the cable and the computer's port must support data, not just charging or display.

Then check each layer in this order:

• Hardware: some Dell monitors have a pop-up camera or a physical privacy shutter. A lowered camera or a closed shutter usually gives a black image or no device.
• Connection: if the monitor goes through a dock, hub or KVM switch, connect it directly to the computer once and see whether the camera appears.
• Operating system: on Windows, open Device Manager and look under Cameras. On macOS, look for the camera in System Information. If the camera is not listed, the problem is below the app level.
• Operating-system camera permission: the camera may be listed but blocked for apps.
• Browser permission: a website may be blocked even though desktop apps can use the camera.
• App selection: the app may be using a laptop's built-in camera instead of the monitor's.

To tell an app problem from a system problem, open the camera in a second app, such as the Camera app on Windows or Photo Booth on macOS. If it works there, focus on the original app or browser. If it fails everywhere, focus on the connection and system settings.

Try reversible fixes in order

• Raise the pop-up camera or open the privacy shutter, if your model has one. The preview should change from black to a live image.
• Close other apps that may be using the camera, such as other video-call or recording tools. On many systems, only one app can use a camera at a time.
• Unplug the USB upstream or USB-C cable from the computer, wait a few seconds and plug it back in. Also try a different USB port. The camera should reappear in Device Manager or System Information.
• Turn the monitor off and on with its power button, then restart the computer.
• On Windows, if the camera shows a down-arrow icon in Device Manager, it has been disabled. Right-click it and choose Enable device.
• Check the operating-system camera permission. On Windows 11, go to Settings > Privacy & security > Camera. On Windows 10, go to Settings > Privacy > Camera. Make sure camera access is on and your app is allowed. On recent macOS versions, go to System Settings > Privacy & Security > Camera and turn on access for your app. Labels can differ between versions.
• Check the browser permission for the call page. Click the site controls next to the address bar, allow the camera for that site, then reload the page. Also check the browser's camera settings to see whether the site is on a blocked list.
• Check the selected camera in the app. Open the app's video or device settings and pick the monitor's camera. Its name may be generic, so if several cameras are listed, test each one and note which works.
• If the picture appears but looks dark or choppy, improve the lighting in front of you. If the app lets you, try a lower resolution or frame rate. This is a picture-quality issue, not a failed camera.

Do not install drivers from unknown download sites, turn off security software or reset the operating system to fix a webcam. If a driver or firmware update seems necessary, get it only from Dell's official support for your exact monitor model or through your operating system's normal update channel.

Confirm the result

Recreate the situation where the problem started. Open the same app or website, select the monitor's camera and confirm that the live preview responds when you move. If the failure followed sleep or a dock change, repeat that once and check that the camera is still listed. A working preview in a test app does not prove your browser or call app is fixed, so test the one you actually use. Before each call, check the selected camera, because some apps switch back to a laptop camera when devices change.

If the problem remains

Keep these notes. They make support conversations faster:

• Monitor model and service tag, if available.
• Operating system version, plus the app and browser versions.
• How the monitor connects, including any dock, hub or adapter.
• Whether the camera appears in Device Manager or System Information, and what happens in a second app.
• When the problem started, what changed around that time, and whether it returns after sleep.

Try the monitor on another computer, connected directly with a cable you know carries data. If the camera does not appear there either, contact Dell support or your organization's IT team with your notes. That result points to the monitor's USB connection or camera, but it does not prove the hardware has failed, and support can advise on next steps for your model. If the camera works on the other computer, the cause is more likely the original computer's ports, settings or software.