I Have Trouble Launching/Using Apps; My File Won't Play - Samsung UN65KU7500 E-Manual

The problem
The connected device
is not displayed.
The TV audio is not
being played through
the receiver.

I Have Trouble Launching/Using Apps

When apps aren't working, these steps may help resolve the problem.
The problem
I launched an app, but
it's in English. How can
I change the language?
My application is not
working.

My File Won't Play

When files aren't playing, this may help resolve the problem.
The problem
Some files can't be
played.
Check whether the device supports Anynet+.
Check whether the HDMI cable is properly connected.
Go to Anynet+ (HDMI-CEC)
(HDMI-CEC)) 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 the TV to output digital sound via the HDMI (ARC) port.
However, ARC is only available when the TV is connected to an audio receiver that
supports ARC.
Languages supported by the app may be different from the user interface language.
The ability to change the language depends on the service provider.
Check with the service provider.
Refer to the Help section on the application service provider's website.
This problem may occur with high-bitrate files. Most files can be played back, but you
might experience problems with high-bitrate files.
Try this!
( Settings
Anynet+ (HDMI-CEC) has been set to On.
Try this!
Try this!
System Expert Settings Anynet+