You can turn on the camera on your Windows computer immediately using the built-in Camera app, or another app that uses it.

Restart your computer. Plug your webcam into another available USB port. Check your webcam cable. The cable might be damaged. Test your webcam on another working computer. The above steps will let you ...

When trying to use the Camera app on our Windows computers, we encountered an error saying that the Camera is reporting that it is blocked or turned off. This is a ...

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.