Samsung QB65H-TR User Manual page 92

Other issue
There is no sound from the speakers in HDMI mode when a
DVI-HDMI cable is connected.
HDMI Black Level is not functioning properly on an HDMI
device with YCbCr output.
There is no sound in HDMI mode.
HDMI-CEC does not work.
In power-saving mode, when the input source is
DisplayPort, PC display settings cannot be saved.
When booting the PC with the input source set to
DisplayPort, the BIOS and booting screens do not appear.
DVI cables do not transmit sound data.
Make sure to connect the audio cable to the correct input jack to enable audio.
This function is available only when a source device, such as a DVD player and STB, is
connected to the product via an HDMI (RGB signal) cable.
Displayed picture colours may not look normal. Video or sound may not be available. This can
occur if a source device that only supports an older version of the HDMI standard is connected
to the product.
If these issues occur, connect an audio cable along with the HDMI cable.
Some PC graphics cards may not automatically recognise HDMI signals that do not include
sound. In this case, manually select a sound input.
Sound input
DVI PC Audio In (Stereo ports)
To use several external devices compatible with the HDMI-CEC feature that are connected to
the HDMI IN ports on the product, turn off the HDMI-CEC features on all the external devices.
External devices include Blu-ray and DVD players.
Operating an external device when its HDMI-CEC feature is enabled may automatically stop
other external devices.
To change HDMI-CEC settings, refer to the device user guide or contact the device manufacturer
for assistance.
Go to System → Power Control and set
PC display output settings again. Ensure the set is turned on.
Boot the PC when the set is turned on or when the input source is not DisplayPort.
Screen mode
PC settings
Max. Power Saving to Off. Alternatively, configure the
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