To fix this problem, you need to ensure that the IP Configuration is set to obtain IP address automatically. Click the ‘Start’ button, right-click ‘Computer’ and select ‘Properties’. Select the ‘Network’ icon and select ‘Properties’.- First, check if your laptop has a physical ethernet port and not the type of port that requires an adapter. If you have a physical port, then you can plug the ethernet cable right into the slot. If you have a port that requires an adapter, then you can plug the adapter into the slot.