Disable internet (unplug Wi-Fi). This prevents Windows from installing the wrong driver automatically.
Run the installer you downloaded (e.g., Setup.exe from Realtek). Jp108 Usb Lan Driver
A: Yes, if it uses the same Realtek RTL8152/8153 chipset. The driver is chipset-specific, not brand-specific. Disable internet (unplug Wi-Fi)
Leave a comment below (or check Realtek’s official support forum). And remember: When in doubt, uninstall, reboot, and reinstall the latest signed driver from scratch. Keywords used: JP108 USB LAN Driver, JP108 driver, Realtek RTL8152 driver, USB LAN adapter driver, JP108 Ethernet not working, install JP108 on Windows 11, JP108 Mac driver. A: Yes, if it uses the same Realtek RTL8152/8153 chipset
A: Check your Ethernet cable. You need Cat 5e or Cat 6 cable. Also, verify the driver properties: Advanced tab > Speed & Duplex > Set to "Auto Negotiation" (not forced 100Mbps).