: Provides a specialized Realtek Wireless LAN driver package for Windows 11 (version 21H2 or later) for specific ThinkPad models, but these drivers often work across other devices using the same chipset.
: Open your router’s settings page and change the 2.4 GHz channel width from 40 MHz to 20 MHz , or change the channel itself to a less crowded one (ideally channels 1, 6, or 11). Conclusion
: Expand Network adapters , right-click Realtek 8723DU Wireless LAN 802.11n USB NIC , and select Update driver . Manual Install : Choose "Browse my computer for drivers." : Provides a specialized Realtek Wireless LAN driver
Assumptions: Windows 11 x64, user can run installer with Admin rights.
Do not use the CD that came with the adapter. It contains drivers for Windows 7/8. You need a modern package. As of early 2026, the working version for Windows 11 (22H2, 23H2, and 24H2) is based on the (version 1030.45.422.2021 or newer). Manual Install : Choose "Browse my computer for drivers
Here’s the proper content to guide you to the correct driver for Windows 11 .
: The most direct and official source for verified drivers. Version 1030.52.731.2025 is listed for Windows 11 Client version 24H2 and later , updated as recently as July 2025. You need a modern package
Look for a listing labeled or explicitly mentioning Realtek RTL8723DU Wireless LAN . Check the box next to it and click Download & install . Restart your PC once the installation concludes. Method 2: Manual Installation via Device Manager
The is a highly integrated single-chip that provides a high-performance wireless LAN 802.11n solution for USB interfaces. It is a common chipset found in many USB Wi-Fi adapters, and it often appears in laptops as an internal Wi-Fi module. When you see the label "Realtek 8723DU Wireless LAN 802.11n USB NIC" in your Device Manager , it refers to the specific driver for this network interface card.
Here is an interesting guide to getting this adapter working, ranked from the easiest method to the "power user" method.
The 8723du is an 802.11n (Wi-Fi 4) chip. It is older technology. Do not expect Wi-Fi 6 speeds.