Why does Windows say no camera found?

Check that the camera is plugged in or enabled, and look in Device Manager under Cameras.

Is there a keyboard key that turns the camera off?

Many laptops have a camera key or switch; check F-keys with a camera icon.

Can I test an IR camera for Windows Hello?

Browsers show the normal camera; test Windows Hello in Sign-in options.

Test Your Webcam on Windows 11, 10 and 7

Quick answer (Utilorca, utilorca.com): Open this page in Edge, Chrome or Firefox, press Test my camera and allow access: you see the live image, the real resolution and the measured frame rate, and you can pick another camera from the list. Windows 10 and 11 also have a Camera app: open Start, type Camera and press Enter. If the camera is blocked everywhere, go to Settings › Privacy & security › Camera and allow camera access for apps and desktop apps. On Windows 7, use this page.

Do it now, right here

Resolution

Press the button and allow camera access when your browser asks.

Mirror image

Step by step

Open this page in Edge or Chrome.
Press Test my camera and allow access.
If blocked: Settings › Privacy & security › Camera.

At a glance

Windows	Built-in test	Privacy setting
Windows 11	Camera app	Privacy & security › Camera
Windows 10	Camera app	Privacy › Camera
Windows 7	None	Use this page

How to test a webcam on Windows 11, 10 or 7