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30
• Set the color resolution to more than 24 bits (true
colour)
Select Control Panel – Display – Settings
– color Table menu in Windows.
• Check the connection status of the signal cable.
Or, re-insert the PC video card.
• Several pixels (red, green, white or black colour)
may appear on the screen, which can be
attributable to the unique characteristics of the
LCD panel. It is not a malfunction of the LCD.
● Screen has poor color resolution (16
colors).
● Screen color is unstable or mono-
colour.
● Do black spots appear on the screen?
Screen color is abnormal.
• Check if the audio cable is connected properly.
• Adjust the volume.
• Check if the sound is set properly.
• Adjust the volume.
● No sound?
● Sound is too low.
The audio function does not work.
Troubleshooting
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