LG M198WX-WA Owner's Manual - Page 31
The audio function does not work., Screen color is abnormal.
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Troubleshooting The audio function does not work. G No sound? • Check if the audio cable is connected properly. • Adjust the volume. • Check if the sound is set properly. G Sound is too low. • Adjust the volume. Screen color is abnormal. G Screen has poor color resolution (16 colors). • Set the color resolution to more than 24 bits (true colour) Select Control Panel - Display - Settings - color Table menu in Windows. G Screen color is unstable or monocolour. • Check the connection status of the signal cable. Or, re-insert the PC video card. G Do black spots appear on the screen? • Several pixels (red, green, white or black colour) 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. 30