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Screen issue
The screen cannot be displayed in full screen.
Sound issue
There is no sound.
The volume is too low.
Video is available but there is no sound.
A scaled SD (4:3) content file can cause black bars on both sides of an HD channel screen.
A video with an aspect ratio different from the product can cause black bars at the top and
bottom of the screen.
Change the screen size setting to full screen on the product or source device.
Check the connection of the audio cable or adjust the volume.
Check the volume.
Adjust the volume.
If the volume is still low after turning it up to the maximum level, adjust the volume on your
PC sound card or software programme.
If an HDMI cable is connected, check the audio output settings on the PC.
If a source device is used
Make sure the audio cable is properly connected to the audio input port on the product.
Check the audio output settings for the source device.
(For example, if an HDMI cable is connected to the monitor, the audio setting for the
cable box may need to be changed to HDMI.)
If a DVI-HDMI cable is used, a separate audio cable is required.
If the product has a headphone port, make sure nothing is connected to it.
Reconnect the power cable to the device and then reboot the device.


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