Samsung WM55H User Manual page 42

Sound issue
There is no sound.
The volume is too low.
Video is available but there is no sound.
There is static coming from the speakers.
There is audible sound when the volume is muted.
Check the volume.
Adjust the volume.
If the volume is still low even when it is adjusted to the maximum, adjust the volume of the
connected PC or mobile device again.
If an HDMI cable is connected, check the audio output settings on the PC.
If a source device is used
• Check the audio output settings for the source device.
(For example, if an HDMI cable is connected to the product, the audio setting for the cable
box may need to be changed to HDMI.)
Reconnect the power cable to the device and then reboot the device.
Low signal level can cause corrupted sound.
Audio settings for main speakers are separate from the internal speakers on the product.
Changing or muting the volume on the product does not affect an external amplifier(decoder).
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