There are often hardware problems with facial recognition if you use several cameras on a computer — for example, an external biometric USB camera together with the one built into the notebook lid.

Whether you use your Windows 11 computer for video calls, conferencing, group calls, or troubleshooting, this multi-app camera support feature will let you be in touch with multiple camera feeds ...

Learn to use the phone camera as a webcam using Phone Link in Windows 11. You can switch to front/back camera, pause video, and use Effects.