Samsung UN55ES6150 E-Manual page 127

Network Status
→
Menu
You can check the current network and
Internet status.
If the wired network connection failed...
No network cable found.
●
Check if your network cable is plugged
in. If it is connected, make sure that
the router is turned on. If it is on, try
turning if off and on again.
IP auto setting failed.
●
Network
→
Network Status