LG M4225C Owner's Manual page 52

The audio function does not work.
No sound?
Sound is too dull.
Sound is too low.
Screen color is abnormal.
Screen has poor color resolution
(16 colors).
Screen color is unstable or mono-
colored.
Do black spots appear on the screen?
The operation does not work normally.
The power suddenly turned off.
Troubleshooting
‡ 6HH LI WKH DXGLR FDEOH LV FRQQHFWHG SURSHUO\
‡ $GMXVW WKH YROXPH
‡ 6HH LI WKH VRXQG LV VHW SURSHUO\
‡ 6HOHFW WKH DSSURSULDWH HTXDOL]H VRXQG
‡ $GMXVW WKH YROXPH
‡ 6HW WKH QXPEHU RI FRORUV WR PRUH WKDQ  ELWV
(true color)
Select Control Panel - Display - Settings - Color
Table menu in Windows.
‡ &KHFN WKH FRQQHFWLRQ VWDWXV RI WKH VLJQDO FDEOH
Or, re-insert the PC video card.
‡ 6HYHUDO SL[HOV UHG JUHHQ ZKLWH RU EODFN FRORU
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.
‡ ,V WKH VOHHS WLPHU VHW"
‡ &KHFN WKH SRZHU FRQWURO VHWWLQJV
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.
51