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 know whether the ...

Camera shutter speed is an essential adjustment in photography – along with the aperture, the shutter moderates the amount of light entering the camera. Older cameras (and some newer ones) use ...

or something similar that's preventing your apps from using the camera. Test your webcam to see if your computer can even recognize it. If you use an online tester like webcammictest.com ...