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Screen issue
The screen cannot be displayed in full screen.
AscaledSD(4:3)contentfilecancauseblackbarsonbothsidesofanHDchannelscreen.
A video with an aspect ratio different from the product can cause a black bar to appear at the
top and bottom of the screen.
Change the screen size setting to full screen on the product or source device.
Sound issue
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 programme.
Video is available but there is no sound.
If an HDMI cable or a DP cable is connected, check the audio output settings on the PC.
Go to Sound and change Sound Output to Internal.
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 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.
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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