A known issue with this driver is the "Code 34" error, which indicates a problem with the driver and forces users to restart their computer multiple times a day.
To ensure you are downloading the exact match for your USB dongle, verify the hardware ID: Right-click the and select Device Manager .
Up to 150 Mbps (using a 40 MHz channel width) Host Interface: USB 2.0 / USB 1.1 Bluetooth Version: Bluetooth 4.2 Dual Mode (BR/EDR + BLE)
: If your Wi-Fi is built into a laptop (like certain models from HP or Connex), check the support site for your specific device model. A known issue with this driver is the
. Windows will attempt to reinstall the best-known driver on reboot. 2. Disable Power Saving Settings Windows might be turning off the USB adapter to save power. Open Device Manager . Right-click Realtek 8723DU Go to product viewer dialog for this item. and select Properties . Go to the Power Management tab.
The Realtek 8723DU is a capable chipset for basic 2.4GHz Wi-Fi and Bluetooth tasks, offering speeds up to 150Mbps. However, its longevity and stability on Windows 11 depend heavily on having the correct driver installed. Most users find that a clean installation of the latest manufacturer-provided driver, combined with disabling USB selective suspend, will solve the majority of problems .
Windows 11 aggressively cuts power to USB network adapters to conserve battery/energy. This often causes the Realtek 8723DU to go to sleep and fail to wake up. Disable Power Saving Settings Windows might be turning
Realtek’s official driver for RTL8723DU supports Windows 10/11:
: Wi-Fi randomly drops every few minutes.
Sort the entries by or Version to find the latest version designated for Windows 11 Clients. combined with disabling USB selective suspend
The Realtek 8723DU Wireless LAN 802.11n USB NIC is a network interface card (NIC) that allows Windows 11 computers to connect to wireless networks. Because it is an older 802.11n (Wi-Fi 4) device, finding current official drivers directly from Realtek can be challenging, but there are several reliable ways to get it working on Windows 11.
This is the safest and easiest way to ensure you have a compatible driver version provided by Microsoft. Right-click the button and select Device Manager . Expand the Network adapters section.