: Look for "Unknown Device" or "802.11 n/g/b Wireless LAN USB Adapter" under Network Adapters .
The RTL8811AU chipset does not have a native kernel driver in most distributions. You must install it manually.
Right-click it and choose > Search automatically for drivers .
Download a free utility like "USB Device Tree Viewer" to see the full chipset details.
Modern Windows versions often include "Plug and Play" support for the RTL8187L chipset, meaning the adapter may work as soon as it is plugged in. If it does not: