Windows 11 does not have a single "Set as Default" button for cameras as it does for microphones or speakers. Instead, the OS typically uses the first available or last-used camera. To effectively set a default camera, you must use one of the following strategies. 1. Disable Other Cameras (Recommended)
Alternatively, you can also set a default camera through the Camera app: windows 11 set default camera
– Now apps should default to the remaining enabled camera. Windows 11 does not have a single "Set
In the Camera settings, you can also:
The most reliable way to force Windows to use a specific camera—such as an external USB webcam over a built-in laptop camera—is to disable the ones you don't want to use. Windows 11 Default Camera - Microsoft Q&A Windows 11 Default Camera - Microsoft Q&A Go
Go to Device Manager and disable the built-in webcam if you always want to use an external USB camera. This is the simplest and most reliable method.
Expand the Cameras section. You may also find imaging devices under Imaging devices or Sound, video and game controllers .