If you previously used a different brand of USB docking station, those old drivers can conflict with HYC. Open Device Manager , expand Display adapters , right-click the old driver, and select Uninstall device (checking the box to delete the driver software). Performance Optimizations for Windows 11
: Because these adapters encode a video stream over USB rather than using a native display signal, you may experience latency (input lag) and noticeable quality loss compared to direct HDMI or DisplayPort connections. hyc usb display driver windows 11
Press or F7 to select "Disable driver signature enforcement." Re-run the HYC installer. Problem 3: Display Lags or Uses High CPU If you previously used a different brand of
While the original HYC drivers were developed for older Windows versions, they can work on Windows 11 in many cases. Here’s a breakdown of what works and what doesn’t. Press or F7 to select "Disable driver signature enforcement
This is the most common sign that your driver is missing or corrupted. The yellow exclamation mark in Device Manager indicates a problem. To fix this, you can attempt to update the driver using the manual "Have Disk" method [13†L5-L9], or you can connect your adapter, run the official installer as an administrator, and then restart your PC.
If you encounter a "driver signature enforcement" error, you'll need to temporarily disable this security feature:
Here is a breakdown of performance, installation, and common troubleshooting on Windows 11.