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Likely fix

Fix: USB webcam not working

A USB webcam usually fails because of a loose cable, bad USB port, USB hub problem, missing permission, wrong camera selection, or driver issue.

Quick answer

Unplug and reconnect the webcam, plug it directly into the computer, try another USB port, then select it in your app's video settings.

Important warning

USB hubs and docks can cause webcam detection or power problems, especially with higher-resolution webcams.

Try this

  1. 1 Unplug the USB webcam and plug it back in.
  2. 2 Plug it directly into the computer, not a hub, dock, or monitor port, for testing.
  3. 3 Try another USB port.
  4. 4 Check whether the webcam has a privacy cover.
  5. 5 Open the app's video settings and select the USB webcam.
  6. 6 Check system camera permissions.
  7. 7 Restart the app.
  8. 8 Restart the computer.
  9. 9 Test the webcam on another computer if available.

Common causes

USB cable is loose.

Bad USB port.

USB hub or dock problem.

Wrong camera selected.

Camera permission blocked.

Privacy cover is closed.

Driver or firmware issue.

What to check next

  • Check whether the webcam light turns on.
  • Check another USB port.
  • Check direct connection without hub.
  • Check app camera selection.
  • Check whether the webcam works on another computer.

FAQ

Why is my USB webcam not working?

The USB connection may be loose, a hub may be causing problems, the wrong camera may be selected, or camera permission may be blocked.

Should I plug the webcam directly into the computer?

Yes. For testing, avoid hubs and docks because they can cause power or detection problems.

How do I know if the USB webcam is broken?

Test it on another computer. If it fails there too, the webcam or cable may be faulty.

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