Samsung UA40ES6200R E-Manual page 611

ΠCheck cable connections (remove
and reconnect all cables connected
to the TV and external devices).
ΠSet your external device's (Cable /
Set top Box, DVD, Blu-ray etc) video
outputs to match the connections
to the TV input. For example, if an
external device's output is HDMI,
it should be connected to an HDMI
input on the TV.
ΠMake sure your connected devices