LG Electronics M4210LCBA Computer Monitor User Manual


 
35
Troubleshooting
• See if the audio cable is connected properly.
• Adjust the volume.
• See if the sound is set properly.
• Select the appropriate equalizer setting.
• Adjust the volume.
No sound?
Sound is too dull.
Sound is too low.
The Audio 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. The 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 turns off after this message appears, it
means that the fan has malfunctioned. Contact your
local service center.
The power suddenly turned off.
Abnormal Operation