LG 55WV70MD-B.AEU Owner's Manual page 61

The screen image looks abnormal.
Problem
Is the screen position wrong?
Do thin lines appear on the
background screen?
Horizontal noise appears or the
characters look blurred.
The screen is displayed
abnormally.
After-image appears on the product.
Problem
After-image appears when the
product is turned off.
The audio function does not work.
Problem
No sound?
Sound is too dull.
Sound is too low.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select the optimal screen status that fits into the
current mode. If adjustment is not satisfactory, use the Position OSD
menu.
y See if the video card resolution and frequency are supported by the
product. If the frequency is out of range, set to the recommended
resolution in the Control Panel "Display" Setting menu.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, use the Clock OSD
menu.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, use the Phase OSD
menu.
y The proper input signal is not connected to the signal port. Connect
the signal cable that matches with the source input signal.
y If you use a fixed image for a long time, the pixels may be damaged
quickly. Use the screen-saver function.
y See if the audio cable is connected properly.
y Adjust the volume.
y See if the sound is set properly.
y Select the appropriate equalize sound.
y Adjust the volume.
TROUBLESHOOTING
Resolution
Resolution
Resolution
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