Device Manager has no nvidiabroadcast virtual camera.

What you want to ask is why device manager doesn't have nvidiabroadcast virtual camera? The reasons why device manager doesn't have nvidiabroadcast virtual camera are graphics card driver problem, CUDA version problem, system environment problem, BIOS setting problem and software conflict problem.

1. Graphics card driver problem: Make sure that the latest NVIDIA graphics card driver is installed on the computer. NVIDIABroadcast Virtual Camera cannot be found in Device Manager because the graphics card driver is incompatible or improperly installed. You can visit official website, NVIDIA to download and install the latest graphics card.

2.CUDA version problem: NVIDIABroadcast virtual camera relies on CUDA technology. Make sure that a CUDA version compatible with NVIDIABroadcast is installed on the computer. Different versions of NVIDIABroadcast need different versions of CUDA, and you can find the corresponding information in NVIDIA official documents.

3. System environment problem: In some cases, the system environment will cause the NVIDIABroadcast virtual camera not to be found in the device manager. For example, operating system settings, security software, or third-party applications can prevent NVIDIABroadcast from running properly. You can try closing these programs and then restarting the Device Manager to see if you can find the NVIDIABroadcast virtual camera.

4.BIOS setup problem: Some laptops need to enable virtualization technology in BIOS setup before they can use NVIDIABroadcast virtual camera. Please check your computer BIOS settings to ensure that virtualization technology is enabled. The specific operation method varies with the computer model. You can refer to the instructions provided by the computer manufacturer or online support for help.

5. Software conflict: Sometimes, other software conflicts with NVIDIABroadcast, resulting in the NVIDIABroadcast virtual camera not being found in the device manager. You can try to uninstall the recently installed software, or disable other hardware devices that may cause conflicts in the device manager, and then restart the device manager to see if you can find the NVIDIABroadcast virtual camera.