LG M4210LC Owner's Manual page 34

The Screen Image Looks Abnormal.
● Is the screen position wrong?
● Do thin lines appear in the background?
● Horizontal noise appears or characters look
blurred.
● The screen is displayed abnormally.
Ghost Image Appears on the Screen.
● After-image appears when the product is
turned off.
Troubleshooting
• D-Sub analog signal - Press "AUTO" on the remote
control to automatically select the optimal screen status
that fits the current mode. If adjustment is not
satisfactory, use the OSD Position menu.
• 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.
• D-Sub analog signal - Press the "AUTO" button on 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.
• D-Sub analog signal - Press the "AUTO" on the remote
control to automatically select an optimal screen status
that fits into the current mode. If adjustment is not
satisfactory, use the OSD Phase menu.
• The proper input signal is not connected to the signal
port. Connect the signal cable that matches with the
source input signal.
• If you display a fixed image for a long time, the pixels
may be damaged quickly. Use the screen-saver
function.
34