What is your (e.g., Windows 10 22H2, Windows 11)? What error code do you see in the Device Manager?
Older versions (High Sierra and earlier) may work out of the box. For macOS 11 (Big Sur) and later, you may need a third-party driver like (less likely) or use a generic USB Ethernet kext. Most JP1081B adapters are not officially supported on Apple Silicon (M1/M2) without community patches.
Before we get to the driver, let's be clear about the hardware you're holding. The JP1081B is a , also known as a USB LAN dongle. It's made by a company called JIAPENG Network Technology . At its core, it uses a CoreChip RD9700 chipset . This specific chipset is key to finding the right driver, as different manufacturers (like Realtek or Davicom) use different ones. jp1081b usb lan driver 21
The JP1081b (RD9700) driver and hardware belong to a previous generation of technology.
| Issue | Possible Cause | Solutions | | :--- | :--- | :--- | | | Wrong driver, or system conflict. | • Verify Hardware ID to confirm the correct chipset. • Run the installer as Administrator . • Temporarily disable antivirus or Windows Defender, then try again. | | "Not Connected" / No Internet | Driver issue, power management, or hardware fault. | • Update Driver : In Device Manager, right-click adapter -> Update driver -> Search automatically for drivers . • Roll Back Driver : In Device Manager, go to Driver tab -> Roll Back Driver -> follow prompts. • Disable Power Management : Device Manager -> Properties -> Power Management -> uncheck "Allow the computer to turn off this device". • Test with a different USB port and a known-working Ethernet cable . | | Blinking Light / Adapter Not Detected | Driver conflict, or faulty hardware. | • Uninstall and reinstall the driver completely. In Device Manager, right-click -> Uninstall device . • In Device Manager, click Action -> Scan for hardware changes to re-detect. • Test on a different computer to confirm the adapter itself is functional. | What is your (e
Windows USB selective suspend or power management.
: Corechip Semiconductor RD9700 or Davicom DM9601 Vendor ID (VID) : 0FE6 Product ID (PID) : 9700 For macOS 11 (Big Sur) and later, you
Modern Linux distributions feature integrated drivers directly within the core operating system kernel. Advanced Troubleshooting for Error Codes
Select Manual Selection :
Dedicate a specific folder on your drive (e.g., C:\Ethernet_Driver ) to hold the extracted .sys and .inf configuration structures. 3. Update the Adapter Software
