Samsung BE43T-M Manual page 137

If the problem persists, check the video output settings in the settings menu of the external device, and ensure that
your TV supports the video output mode.
FHD TVs support up to 1080p video output, and UHD TVs support up to 2160p video output.
One
Connect
One
Connect
If the problem persists, and if your TV uses the One Connect, disconnect and reconnect the One Connect to the TV and
the One Connect (OC) Box. Ensure that the One Connect is not pinched or bent sharply.
HDMI (ARC)
HDMI
If no sound comes out of your Sound Bar, and if it is connected to the TV with an HDMI cable, check the HDMI (ARC)
connector on the back of the TV.
The HDMI (ARC) port may support eARC in some models.
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