LG L4200A User Guide - Page 41

Troubleshooting The audio function does not work. No sound? • See if the audio cable is connected properly. • Adjust the volume. • See if the sound is set properly. No sound is available when the PIP/POP/PBP mode is engaged. Sound is too dull. • See if the Sound is set to On in the PIP/POP/PBP menu. • Select the appropriate treble sound. • Select the appropriate bass sound. Sound is too low. • Adjust the volume. The screen size function in the OSD menu does not work. The screen size function in the OSD menu does not work. • See if the PIP/POP/PBP function is in use. If the PIP/POP/PBP function is in use, the screen size function may not work. Screen color is abnormal. Screen has poor color resolution (16 colors). • Set the number of colors to more than 24 bits (true color) Select Control Panel - Display - Settings - Color Table menu in Windows. Screen color is unstable or monocolored. • Check the connection status of the signal cable. Or, re-insert the PC video card. Do black spots appear on the screen? • 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. A39