Quick Answer
If no camera is detected, first confirm the computer sees a video input device, then check permissions and browser access.
Step-by-Step
- Use Video Device Checker to see whether a camera appears.
- Reconnect external webcams or try another USB port.
- Close apps that may already be using the camera.
- Check operating system camera privacy settings.
- Test again in a different browser or app.
Recommended Workflow
Open the most relevant calculator or utility first, enter a realistic starting point, then use the supporting tools to check assumptions, clean inputs, or prepare the final output.
FAQs
Why does my browser say no camera found?
The operating system may not see the camera or browser permission may be blocked.
Can a virtual camera cause confusion?
Yes. Virtual camera apps can appear as separate devices and may be selected instead of the real camera.