If you are still experiencing issues, please tell me the you are using (e.g., Windows 10 Home 64-bit) and the exact text in the hardware IDs field, and I can suggest a more specific driver. Share public link
If using an unsigned generic clone driver, you may need to open the Terminal in Recovery Mode and type: csrutil disable (Note: This reduces system security; only do this if you understand the risks). jp1081b usb lan driver
Even with the correct JP1081B USB LAN driver, issues can arise. Here is how to fix them. If you are still experiencing issues, please tell
: Users report stable average speeds around 470–490 Mbps on models mislabeled with higher specs, though the standard JP1081B is generally limited by its USB 2.0 interface to Fast Ethernet speeds (~100 Mbps). Latency remains low and steady at approximately ≤4ms . Here is how to fix them