Are you seeing any in Device Manager, or is the secondary monitor not being detected at all? How To FIX USB to HDMI Adapter Not Working on Windows 11
: Once the setup finishes, restart Windows 11 to finalize the driver integration. hyc usb display driver windows 11 link
: Plug in the HYC USB adapter. Windows should now automatically detect the new display. Troubleshooting Common Issues Are you seeing any in Device Manager, or
: Do not plug the USB display adapter into your PC until the driver installation is complete. hyc usb display driver windows 11 link
: Right-click the installation file and select Run as Administrator to grant the necessary system permissions.