Samsung LED 6400 Series E-Manual page 199

The Problem
The Anynet+ device
won't play.
The connected device
is not displayed.
The TV audio is not
being played through
the receiver.
You cannot use the play function when
Check whether the device supports Anynet+.
Check whether the HDMI cable is properly connected.
Go to System and see if
Scan for Anynet+ devices again.
Anynet+ devices must be connected to the TV using an HDMI cable. Make sure the
device is connected to your TV with an HDMI cable. Some HDMI cables may not
support Anynet+.
If the connection is terminated because there has been a power failure or the HDMI
cable has been disconnected, please scan for the device again.
Connect an optical cable to the TV and the receiver.
ARC enables digital sound to be outputted via the HDMI (ARC) port.
However, ARC is only available when the TV is connected to an audio receiver that
supports ARC.
Try this!
Setup is in progress.
Anynet+ (HDMI-CEC) has been set to On.