Realtek 8723du Wireless Lan 802.11n Usb Nic Driver Windows 11
Right-click the , select Device Manager , and expand Network adapters .
Locate your network adapter. It might be listed under as Realtek 8723DU Wireless LAN 802.11n USB NIC , or under Other devices as a yellow triangle labeled Network Controller . Right-click the device and choose Update driver . Select Browse my computer for drivers .
Here is the step-by-step fix:
It delivers a maximum theoretical data rate of up to 150 Mbps using a 1x1 SISO (Single-Input Single-Output) antenna configuration.
Realtek does not always host consumer-facing end-user installers directly on their main website for legacy chips. Instead, the safest way to get the official .cab or .inf driver files is through the . Right-click the , select Device Manager , and
: Without the official Realtek driver, your link speed might be throttled well below the theoretical 150 Mbps maximum.
Windows 11 is aggressive about putting USB devices to sleep to save battery. The 8723DU often fails to "wake up" correctly from this state. This driver feature implements a proprietary handshake that keeps the logic board in a low-power "standby" state rather than a deep sleep, ensuring instant wakefulness without requiring a replug. Right-click the device and choose Update driver
Microsoft maintains certified Realtek drivers directly in its ecosystem. Windows Update can deploy patches automatically: Open (Press Windows Key + I ). Navigate to Windows Update on the left menu sidebar. Click Check for updates .
Realtek 8723DU Wireless LAN 802.11n USB NIC is a network interface card driver that allows Windows 11 computers to connect to Wi-Fi networks. While specific to the 8723DU chipset, it is often found in compact laptops and 2-in-1 devices from various manufacturers. Driver Details & Compatibility Operating System select Device Manager
Windows 11 requires digitally signed drivers. If you encounter a "Digital Signature" error, ensure you are using a driver version released after 2020.