Windows 11 updates can sometimes disrupt the connection between your HYC adapter and your primary HDMI port. How To FIX USB to HDMI Adapter Not Working on Windows 11
: Only plug the adapter into a USB 3.0 (blue) port after the driver installation is initiated or requested. Finalize in Device Manager : Right-click the Start button and select Device Manager . hyc usb display driver windows 11
: Always perform a full system restart to apply the changes. Troubleshooting Common Windows 11 Issues Windows 11 updates can sometimes disrupt the connection