LG M4210N User Manual page 34

Troubleshooting
'Child lock on' message appears.
G The 'Child lock on' message
appears when pressing the Menu
button.
After-image appears on the product.
G After-image appears when the
product is turned off.
G Screen has poor color resolution
(16 colors).
G Do black spots appear on the screen?
Push the MENU button on the remote control and set
Child lock to the 'Off' position.
• If you use a fixed image for a long time, the pixels
may be damaged quickly. Use the screensaver
function.
Screen color is abnormal.
• Set the number of colors to more than 32 bits (true
color)
Select Control Panel – Display – Settings – Color
Table menu in Windows.
• 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.
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