B. Install

Do not use third-party "driver updater" software. These often install malware or the wrong variant (e.g., the 8723DE or 8723BS variant, which uses SDIO instead of USB).

Once you force the correct driver and disable USB selective suspend, the Realtek 8723DU can actually be a stable little adapter. Just keep your expectations low—it’s a 150Mbps, 2.4GHz-only chip. For web browsing and legacy devices, it works. For gaming or streaming 4K? Hard pass.

: Drivers for this device typically support Windows 7, 8, 10, and 11 (64-bit). Hardware IDs : Common identifiers for this NIC include USB\VID_0BDA&PID_D723 USB\VID_0BDA&PID_D72B Installation Methods

To install or update the driver on Windows 11, you can use these primary methods: Realtek 8723DU Wireless LAN 802.11n USB NIC Driver for To