If your Network icon indicates No internet connection even though you are connected to the Internet, then this post shows how to fix the issue in Windows 11/10.

The issue of Red Cross X on Wi-Fi or Network Icon may occur in case Wi-Fi is disabled. To enable it, follow the next steps. 1] Press Windows Key + R to open the Run window.

Missing Network Icon for 5G or LTE. This bug freaked me out, as I was just about to leave the house and noticed that with WiFi off, my Pixel 7 wouldn’t show a network icon for LTE or 5G.