If your specific HYC model still fails, reply below with your (e.g., HYC-GD1X1-15.6) and the chipset ID from Device Manager (Hardware Ids: USB\VID_17E9 = DisplayLink, VID_066F = SiS).

Many generic adapters have a small amount of internal flash memory.

For users looking for the HYC USB display driver for Windows 11

Right-click it, select , and choose Search automatically or point it to your downloaded folder.

Poor performance / choppy video