The is a common, low-cost USB Wi-Fi adapter that supports 802.11 b/g/n (2.4 GHz only) and often includes Bluetooth functionality. While it works reliably, Windows 11 does not include native drivers for this chipset. Plugging the adapter into a fresh Windows 11 installation will result in no Wi-Fi capability or a device showing an error in Device Manager.
While the Realtek 8723DU Wireless LAN 802.11n USB NIC is older hardware, it remains a reliable tool for basic web browsing and media streaming on Windows 11 when configured correctly. By utilizing a certified Windows 10/11 x64 driver from Microsoft's official channels and disabling the aggressive OS power-saving features, you can ensure a stable, dropout-free wireless connection.
Connect your PC to the internet (via Ethernet or smartphone tethering). Open ( ) > Windows Update . Click on Advanced options , then select Optional updates . realtek 8723du wireless lan 80211n usb nic driver windows 11
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Click next to your active power plan, then click Change advanced power settings . The is a common, low-cost USB Wi-Fi adapter
Windows 11 will scan the folder, locate the .inf configuration file, and install the driver. Method 3: Using the Microsoft Update Catalog
Download directly from Microsoft: Realtek 8723DU Driver 1030.44.809.2021 While the Realtek 8723DU Wireless LAN 802
Uncheck . Click OK . 2. Disable USB Selective Suspend