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Screen issues
The screen cannot be displayed in full screen.
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.
Sound issue (For models with built-in speakers)
There is no sound.
Check the connection of the audio cable or adjust the volume.
Check the volume.
The volume is too low.
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 program.
Video is available but there is no sound.
If an HDMI cable or DP 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 your monitor is connected to HDMI, you may need to change the audio
option of your video output device to HDMI.)
If a DVI-HDMI cable is used, a separate audio cable is required.
Reconnect the power cable to the device and then reboot the device.
There is static coming from the speakers.
Check the signal strength after connecting a cable.
Low signal level can cause corrupted sound.
Source device issue
A beeping sound is heard when my PC is booting.
If a beeping sound is heard when your PC is booting, have your PC serviced.
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The DisplayPort may not be
supported depending on the
model.