Only download from synaptics.com or displaylink.com . If your adapter requires a driver from a random Chinese OEM website locked behind a WeChat login, throw the adapter away. It is not worth the security risk.
Some users have reported conflicts with dedicated GPU drivers (like Nvidia), which can cause login screen loops. If this happens, try updating your main graphics card drivers from NVIDIA or AMD before reinstalling the USB driver. hyc usb display driver
Look for a new drive letter (often named "USB Display" or similar). Only download from synaptics
The most famous part of the "HYC story" is its tendency to "screw up" native display ports. Many users have reported a recurring nightmare: Some users have reported conflicts with dedicated GPU
Even with the correct driver, issues arise. Here are the most frequent problems and fixes.
You must restart your computer for the changes to take effect.
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