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• See if the audio cable is connected properly.
• Adjust the volume.
• See if the sound is set properly.
• Adjust the volume.
●
No sound?
●
Sound is too low.
The audio function does not work.
• Set the number of colors 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 characteris-
tics of the LCD panel. It is not a malfunction of the LCD.
●
Screen has poor color resolution
(16 colors).
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Screen colour is unstable or mono-col-
ored.
●
Do black spots appear on the screen?
Screen colour is abnormal.
Troubleshooting
• If you use a fixed image for a long time, the pixels may be dam-
aged quickly. Use the screen saver function.
●
After-image appears when the product is
turned off.
After-image appears on the product.
