LG M2901S Owner's Manual page 27

The screen image looks abnormal.
● 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.
● After-image appears when the product is
turned off.
Troubleshooting
• 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.
• 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 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.
• 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.
• The proper input signal is not connected to the signal
port. Connect the signal cable that matches with the
source input signal.
• If you use a fixed image for a long time, the pixels may
be damaged quickly. Use the screen-saver function.
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