For most users, a manual reinstallation of the driver through Windows Device Manager is the most effective path to solving webcam issues. While TEDGEM webcams are designed for broad compatibility, Windows 11 users may need to manually intervene.
Windows 7, 8, 10, 11; Mac OSX; Linux (Ubuntu); Chrome OS; and Android 4.0 or higher . tedgem webcam driver
If there is no installer: