Samsung UE50ES6300U E-Manual page 180

Notice
for LED 5300, 5500 - 5800 Series and PDP
550 - 570 Series
The picture may appear corrupted or
have static for some channels when
the TV is connected to the Samsung
Wireless LAN adapter. If this occurs,
establish a connection using one of
the following methods or connect the
Samsung Wireless LAN adapter using
a USB cable in a place that is not
affected by radio interference.