M4214TCBA Monitors - Large Format - Commercial Display - Lg Electronics Australia

User Manual - Page 32

For M4214TCBA.

PDF File Manual, 67 pages, Read Online | Download pdf file

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32
Troubleshooting
See if the audio cable is connected properly.
Adjust the volume.
See if the sound is set properly.
Select the appropriate equalize sound.
Adjust the volume.
No sound?
Sound is too dull.
Sound is too low.
The audio function does not work.
Set the number of colors to more than 24 bits (true color)
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 color) 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-colored.
Do black spots appear on the screen?
Screen color is abnormal.
• Is the sleep timer set?
Check the power control settings.
Power interrupted.
• "CAUTION! FAN STOP!"
If the power is turned off after this message appears,
it means that the fan is out of order.
In this case, contact your local service center.
• Check USB cable between PC and Touch Monitor.
• Calibrate Touch monitor with PC.
• Disconnet and connect the touch USB cable from PC.
Disconnect other USB devices and Connect the touch
USB cable only to PC.
● The power suddenly turned off.
● Touch operation does not work properly.
● Touch USB Device Recognition Error.
The operation does not work normally.
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