Windows 11 often includes compatible drivers in its optional updates. Go to Settings > Windows Update > Advanced options > Optional updates to see if a newer Realtek driver is available.
The driver is corrupted or a Windows update interfered. Run the driver uninstall process again (Step 1), then reboot into Safe Mode with Networking and reinstall the driver. Title Windows Update (Most Stable): Windows 11 often
If the device shows up with a yellow warning triangle or as an "Unknown Device": Right-click the and select Device Manager . Expand the Network adapters list. Open Device Manager (Right-click Start button > Device