LG EW5G-V Series 55" Full HD Transparent OLED Signage Display - Manual (Page 25)

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• The screen is displayed abnormally.
- Connect the signal cable that matches with the source input signal.
- When connecting the panel and the Signage box, check their serial numbers and make sure they match. If the serial
numbers match, unplug the power cord and plug it in again to run the Clear Panel Noise feature. (The system will
reboot automatically after running the feature.)
You can also run the feature in (SETTINGS) [Display] [Advanced Settings] [OLED Panel Settings]
[Clear Panel Noise] menu.
• Images are flickering or fluttering on the screen.
- If you turn the monitor on when it is cold, the screen may flicker. This is normal.
- Make sure that the current resolution and frequency settings of the graphics card are supported by the monitor.
• Stripes appear in the background.
- D-Sub analog signal - Press the button in the remote control to automatically select the optimal screen
status that fits into the current mode. If the adjustment is not satisfactory, adjust the display settings manually in
the OSD menu.
• Horizontal noise appears or the characters look blurred.
- D-Sub analog signal - Press the button in the remote control to automatically select the optimal screen
status that fits into the current mode. If the adjustment is not satisfactory, adjust the display settings manually in
the OSD menu.
• The image is not displayed.
- Check that the cable is properly connected between the panel and the Signage box.
Issues Related to Screen (Color)
• Screen has poor color resolution (16 colors).
- Use PC settings to set the color to 24 bits (True Color) or above.
• Screen color is unstable or mono-colored.
- Check the connection status of the signal cable. Or, re-insert the PC graphics card.
• Black spots or bright spots appear on the screen.
- Some pixels (red, green, blue, black) are visible on the screen due to the unique characteristics of the display panel.
This is not a malfunction of the product.
• The screen’s brightness seems dark.
- Adjust brightness and contrast again.
- Backlight may need repair.