A computer’s camera stopped working is a common problem that can have a variety of causes. If the camera isn’t working at all, the problem is likely with the hardware. If the camera is working but not producing images, the problem is likely with the software.

Before you start troubleshooting, make sure that the camera is turned on. You can usually do this by clicking on the camera icon in the system tray. If the camera is on, but not functioning, the problem is likely with the hardware.

If the camera is not working at all, the first step is …