: Look under Network adapters . It may appear as "Generic USB Dual Band" or "802.11ac WLAN". Update Driver : Right-click the device and choose Update driver .
sudo iwconfig wlan0 power off
(also referred to as RTL190CT) is a generic driver identifier for dual-band wireless USB adapters, typically powered by the Realtek 8811AU
Do not trust the label on the dongle. Use Windows to probe the chipset.
If your system does not automatically recognize the adapter, you can find the official driver through the following channels: 1 Setup USB Wifi Adapter Drivers Wireless Dongle Realtek