: Ensure the adapter is plugged into a USB 2.0 or 3.0 port directly, as some older USB 1.1 ports will throttle the speed significantly. Specifications Summary USB 2.0 (compatible with 3.0) 10/100 Mbps (Fast Ethernet) OS Support Windows 7/8/10/11, Linux, macOS Typically Realtek RTL8152 or RD9700 Are you seeing a specific error code
HLF1081A USB LAN Adapter is a compact network device commonly marketed under brands like Hlf1081a Usb Lan Driver Windows 10 Salwisa