The HYC driver is known to cause specific conflicts, particularly with dedicated graphics cards: HYC USB display driver screws up HDMI port - Microsoft Q&A
HYC USB Display Driver is a utility primarily used for generic USB-to-HDMI or USB-to-VGA adapters, often sourced from Chinese manufacturers. These drivers function as an external graphics card solution, allowing computers with limited video ports to output to additional monitors via a standard USB port. Microsoft Learn Downloading and Installing the Driver
Because HYC-branded adapters are often generic, they lack a single centralized manufacturer website. However, users frequently find success with the following resources and methods: Chipset-Specific Drivers
: Many of these devices use common chipsets. If the HYC driver fails, you may have better luck with the Synaptics DisplayLink Drivers StarTech.com Trigger Drivers , which are standard for many USB video adapters. Manual Update via Device Manager Connect the adapter and open Device Manager Locate the device (often under Other devices Universal Serial Bus controllers Right-click and select Update driver , then choose Search automatically for drivers Community Repositories : Some users have archived specific versions like Windows7-Windows10_2.0.2.exe on platforms like Google Drive when the physical driver disk is lost. Microsoft Learn Common Issues and Troubleshooting