Samsung UA40ES7 E-Manual page 712

Check whether Anynet+ (HDMI-CEC) is
→ →
set to On. (Menu System Anynet+
(HDMI-CEC))
Search Anynet+ devices again.
Anynet+ requires an HDMI connection.
Make sure the device is connected to
your TV with an HDMI cable.
Some HDMI cables may not support
Anynet+ functions.
If the connection is terminated because
there has been a power failure or the