Note: For the QTS1081B chipset on Windows 11, this method often fails because Microsoft’s database does not always recognize the specific Vendor ID (VID) and Product ID (PID) of these generic chips.
The QTS1081B typically uses the VID_0FE6 or VID_0B95 vendor IDs. Knowing this will help you download the exact correct driver.
Look for or Realtek (some clones use Realtek drivers). ⚠️ Common Troubleshooting
, leading to a "USB device descriptor failed" error or a yellow exclamation mark in the Device Manager. Microsoft Learn Driver Identification & Compatibility
USB to RJ45 Ethernet Adapter (Chipset: QTS1081B) Operating System: Windows 11 (21H2, 22H2, 23H2, 24H2)
Select → accept warning if unsigned (rare) → install.