Samsung 8000 Series User Manual page 168

You can check the current network and
Internet status.
When the wired network connection failed...
No network cable found.
●
Check that 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.
●
Try the following to set your IP address
automatically. Or set your IP address
manually by selecting IP Settings. - Ensure