In , right-click the adapter and select Update driver .
Corrupt driver or power issue. Fix: Uninstall the device in Device Manager, unplug the adapter, restart Windows, then reinstall the Realtek driver before plugging it back in. jp1081b usb lan driver
If no driver works, open the adapter casing and read the actual chip model off the IC. It may be a counterfeit JP1081B with an incompatible chip (e.g., DM9620). In that case, search for that specific chipset’s driver instead. In , right-click the adapter and select Update driver
: If manual search fails, tools like DriverIdentifier or DriverMax may help locate compatible JIAPENG Network Technology drivers. 3. macOS and Linux unplug the adapter