Right-click the Windows Start Menu, choose , expand Network Adapters , right-click your Realtek 8723DU device, and select Update driver .
Check the box, select , and reboot your PC once finished. Troubleshooting Common Windows 11 Driver Issues
Open your web browser and visit the Microsoft Update Catalog. Right-click the Windows Start Menu, choose , expand
Realtek 8723DU Wireless LAN 802.11n USB NIC Driver for Windows 11: A Complete Guide
Windows 11 strictly blocks unsigned drivers. If you downloaded a modified third-party driver to force-enable features, Windows may disable it entirely. Realtek 8723DU Wireless LAN 802
If the driver does not install automatically, click on , then select Optional updates .
Why Do You Need the Updated Realtek 8723DU Driver on Windows 11? Using the correct, updated driver for your in Windows 11 is crucial for: Why Do You Need the Updated Realtek 8723DU
Check the box that says "Attempt to remove the driver for this device."
: It supports the 802.11n standard (Wi-Fi 4), operating primarily on the 2.4 GHz frequency band. It offers backwards compatibility with 802.11b/g networks.
Locate your Realtek adapter. It will likely appear under or under Other devices with a yellow exclamation mark (often named "802.11n WLAN" or "Unknown device"). Right-click the device and choose Update driver . Select Browse my computer for drivers .
The official Realtek website offers the latest drivers for their chipsets. However, finding the exact driver for your device on their product portal can sometimes be challenging because Realtek typically provides driver packages for original equipment manufacturers (OEMs). Many users report that the most reliable method is to obtain the driver from your laptop or motherboard manufacturer’s support page.