Windows power-saving features may turn off the device to save energy.
| Driver Version | Download Speed (Mbps) | CPU Usage (Peak) | Ping Stability | |----------------|----------------------|------------------|----------------| | Windows Default (2019) | 72 Mbps | 18% | Unstable (spikes to 200ms) | | Realtek v7.47 (2021) | 92 Mbps | 11% | Stable (±5ms) | | Realtek v1156 (2024) | 98 Mbps (near theoretical max for Fast Ethernet) | 8% | Rock solid |
If Windows fails to locate the file automatically, download it directly from the semiconductor manufacturer:
Are you setting this up for a modern Windows 11 laptop, or a desktop running an older OS? Knowing this can help me refine the driver recommendations.
The JP108 is a . It lacks a true manufacturer; instead, multiple Chinese factories produce it using reference designs from ASIX Electronics (typically the AX88772A chipset) or, less commonly, the SR9900 (a clone of the AX88772). Jp108 Usb Lan Driver
The USB port cannot communicate effectively with the adapter's microchip, often due to power fluctuations or hardware misalignment.
Download the correct driver zip file based on your Hardware ID check. Extract the ZIP folder to your desktop. Open .
Click and select the specific folder where you extracted the downloaded files. Ensure the box next to "Include subfolders" is checked.
Click , select the extracted folder on your desktop, and click Next . Windows power-saving features may turn off the device
Users frequently report stability issues with generic adapters like the JP108, including random disconnections and overheating during sustained use. Actual Speeds:
Note the and DEV (Device) ID codes (e.g., VID_0OBE&PID_9200 or VID_0BDA&PID_8152 ). A quick online search of these specific codes will reveal whether your adapter utilizes a CoreChip, Realtek, or ASIX chip. Step-by-Step Installation Guide
If you see VID_0FE6&PID_9900 , you have a chip. Where to Download the JP108 USB LAN Driver
A Code 10 error indicates that the driver failed to load properly or is corrupted. The JP108 is a
What and version are you currently using (e.g., Windows 11, Windows 7, macOS)?
Click . Windows will read the .inf configuration file and complete the setup. Troubleshooting Common JP108 Connection Issues
Plug in the JP108 adapter when prompted (or after reboot).