Applicable models:
If Razer Kiyo is detected by Razer Synapse but the camera preview and other settings are disabled, your system has not recognized it as a camera.

Step-by-step process
- Go to the Device Manager and look for "Razer Kiyo" under the other device categories.
- Right-click on the Razer Kiyo and select "Uninstall Device".
- Check the "Delete this driver software for this device" and proceed with the uninstallation.
- Unplug and re-plug the Razer Kiyo into your system.
- In Device Manager, click "Action" > "Scan for hardware changes".
- Check if the Razer Kiyo has now been recognized as a camera.