Device troubleshooting guide

Webcam Not Working in Your Browser?

A browser webcam problem is commonly caused by denied permission, another app using the camera, the wrong camera being selected, an operating-system privacy restriction, or a loose connection. First establish whether the browser can receive a live frame at all.

Open the Webcam Test →

Common causes

Camera shutters and function keys, USB connection problems, privacy settings, browser site blocks, virtual cameras, conferencing apps, and stale drivers can each interrupt video. A black image can also come from a covered lens or extremely dark room even when the stream is technically open.

  • Camera shutters and function keys
  • USB connection problems
  • privacy settings
  • browser site blocks
  • virtual cameras
  • conferencing apps
  • and stale drivers can each interrupt video. A black image can also come from a covered lens or extremely dark room even when the stream is technically open.

Try these checks in order

  1. Step 1. Open any physical shutter, reconnect the camera, close conferencing and capture apps, allow this site to use the camera.
  2. Step 2. select the intended device. Reload the page after changing permission. If no picture appears, try another USB port and another current browser, then check the camera in the operating system’s own camera app..

Change one thing at a time and repeat the browser test. That makes it easier to identify which permission, connection, or routing change actually restored the signal.

What the browser test can confirm

The test can confirm that the browser opened a camera stream and can report resolution, facing mode, and measured frame activity. It cannot inspect the lens, certify sensor quality, diagnose a cable electrically, or guarantee performance in a separate video-call service.

Limits and privacy

Camera frames are displayed and analyzed locally in your browser. Device Check does not upload the live camera feed or snapshots through the test engine.

A successful browser result means the expected event or stream reached this page during the test. It is useful evidence, but it is not a repair, calibration, warranty, or manufacturer certification.

Related guides

Ready to verify the result?

Run the relevant Device Check tool after completing the steps above.

Open the Webcam Test →