Ensure the Cat5e or Cat6 Ethernet cable is securely clicked into both the adapter and the router. Look for the physical Link status LED lights on the adapter casing to verify an active electrical connection.
If you want, tell me your operating system (Windows 10/11, macOS version, or Linux distro + kernel) and I’ll give exact commands and step-by-step commands for that OS.
Note the (Vendor ID) and PID (Product ID) alphanumeric codes (e.g., VID_0BDA&PID_8152 ). Step 2: Download the Official Chipset Driver Ky-888 Usb Ethernet Driver REPACK
: Check if the device appears under "Network Adapters." If there is a yellow exclamation mark, right-click and select Uninstall Device , then unplug and replug the adapter to trigger a clean reinstall.
Instead of risking a third-party repack, you can identify the exact chipset inside your Ky-888 adapter and download the official, safe driver directly from the original chip manufacturer. Step 1: Identify the Internal Chipset Ensure the Cat5e or Cat6 Ethernet cable is
The is a generic USB 2.0 to Ethernet adapter, typically using Realtek RTL8152 , AX88772 , or SR9800 chipsets.
Fix Ethernet connection problems in Windows - Microsoft Support Note the (Vendor ID) and PID (Product ID)
Windows sometimes powers down USB ports to save energy, which drops your internet connection. In Device Manager , right-click your Ethernet adapter -> Properties -> Power Management tab -> uncheck "Allow the computer to turn off this device to save power."
If your adapter still fails to connect after installing the official driver, try these basic troubleshooting steps: