Ethernet connection not established.
Ethernet connection not established.
Exactly? No cables present? That means the cable is damaged or not linked to anything on the other end. No DCHP server and no IP address provided? Turn on the DHCP server in your router. Some IPs exist but you still can't access the internet? Verify that your router's internet connection settings are correct.
No link established, troubleshooter indicated Windows wasn't recognized by the router
Your connection is fine, however the router needs adjustments. Reach out to your ISP support team.