Solution Steps

1. Check cable connections: Ensure cable is securely plugged into both computer and router.
2. Try a different Ethernet cable.
3. Check cable in different port on router.
4. Update network adapter driver: Device Manager → Network adapters → Update driver.
5. Disable and re-enable Ethernet adapter in Network Settings.
6. Check network adapter status: Settings → Network & Internet → Ethernet → Properties.
7. Run network troubleshooter to diagnose issues.