Even with the best driver, you might face issues.
If your adapter is not working optimally (disconnections, slow speed):
Uninstall the device, check the box "Attempt to remove the driver for this device", restart, and then install the new driver. Even with the best driver, you might face issues
to find WHQL-certified drivers that Microsoft has already vetted for Windows 11. OEM Support Pages
If you download an unsigned driver from a Linux backport or community repository, Windows 11’s Secure Boot + Driver Signature Enforcement will block it. To bypass: OEM Support Pages If you download an unsigned
Right-click the Windows Start menu button and select . Expand the Network adapters section.
(dated April 2023) WHQL certified for Windows 11 Source: Microsoft Update Catalog (search “Realtek 8723DU” and select the driver with “wi-fi” in the title) (dated April 2023) WHQL certified for Windows 11
Always verify you're downloading a driver version that matches your Windows architecture (x64 for 64-bit systems, which most modern Windows 11 systems use) and scan downloaded files for malware.
Uncheck the box that says "Allow the computer to turn off this device to save power." This single step prevents Windows 11 from randomly putting the network card to sleep, fixing the notorious "random disconnection" bug. Troubleshooting Common Issues