Open Device Manager > expand Network adapters > right-click your Realtek USB controller > select Properties > go to the Power Management tab > uncheck "Allow the computer to turn off this device to save power." Click OK. Issue 2: Speed is Capped Natively
The KY-888 is an intriguing piece of hardware that performs its primary role of providing a Gigabit Ethernet connection via USB with a high degree of success. For many users on Windows, macOS, and standard Linux distributions, it will be a true plug-and-play solution.
Restart your Mac. Once rebooted, plug in the adapter, go to System Settings > Network , and look for the new "USB 10/100 LAN" or "USB Gigabit LAN" interface. 3. Linux (Ubuntu, Debian, Fedora) ky-888 usb ethernet driver
chipset . This adapter is designed to be for most modern operating systems, meaning you often do not need to download a separate driver manually. 💻 Driver & Compatibility
The or Chipset manufacturer if you have found it The specific error message you are seeing (if any) Open Device Manager > expand Network adapters >
The driver facilitates data transfer rates up to 1000 Mbps (Gigabit Ethernet) and supports features like Wake-on-LAN (WOL) , full-duplex operation, and N-way auto-negotiation.
Visit the ASIX official portal, navigate to the "Support" and "Download" pages, and search for your specific chip series to find the corresponding driver package. Step-by-Step Driver Installation Guide 1. Windows 10 & Windows 11 Restart your Mac
If both lights are completely dark, the adapter is either not receiving power from the USB port, or the Ethernet cable connected to the router/switch is dead. Try replacing the Ethernet cable or testing the adapter on a different computer. 3. Limited Connectivity or "No Internet" Error The device is recognized, but data is not transferring.
The KY-888 is a USB 2.0 device, meaning it is capped at 100 Mbps (Fast Ethernet), even if your internet plan is faster.
To ensure that your operating system recognizes the adapter and the driver is functioning flawlessly, verify the installation through your system settings. On Windows: Right-click the Start menu and select . Expand the Network adapters section.