It might be labeled as Realtek 8723DU Wireless LAN 802.11n USB NIC , Unknown Device , or 802.11n WLAN . Step 3: Update the Driver Right-click on the device and select . Choose Browse my computer for drivers .
Look for a listing labeled or Realtek Semiconductor Corp. - WLAN . Check the box next to it and click Download & install . Restart your PC once the process completes. Method 2: Manual Installation via Device Manager realtek 8723du wireless lan 80211n usb nic driver windows 11