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Brandi SteeleSep 9, 2025
How to improve dull sound on LG Digital Signage?
- JJulian AguirreSep 9, 2025
If the sound from your LG Digital Signage is too dull, select the appropriate equalizer sound.
How to improve dull sound on LG Digital Signage?
If the sound from your LG Digital Signage is too dull, select the appropriate equalizer sound.
How to resolve abnormal screen display on LG 55EJ5C?
If the screen is displayed abnormally on your LG Digital Signage, connect the signal cable that matches with the source input signal.
Why is there no image displayed on my LG Monitor?
There could be several reasons why your LG Monitor isn't displaying an image: * Ensure the power cord is correctly plugged into the power outlet. * Verify the FPC extension cable is properly connected between the cable coming out of the panel and signage box. * The signal from your PC's graphics card might be outside the monitor's supported frequency range. Refer to the manual's specifications to adjust the frequency range. * Check the signal cable and press the INPUT menu on the remote control to confirm the input signal.
How to fix audio if it's not working on LG 55EJ5C Digital Signage?
If the audio function does not work on your LG Digital Signage and there is no sound, check if the audio cable is connected properly.
What to do if my LG Digital Signage shows 'Invalid Format'?
If your LG Digital Signage displays an 'Invalid Format' message, adjust the frequency range by referring to the Specifications in this manual.
How to troubleshoot no image on LG 55EJ5C?
If no image is displayed on your LG Digital Signage, ensure the power cord is properly plugged into the power outlet. Also, check that the FPC extension cable is correctly connected between the cable coming out of the panel and the signage box.
What to do if my LG Digital Signage says 'No Signal'?
If your LG Digital Signage displays a 'No Signal' message, first, examine the signal cable. Then, use the remote control to open the INPUT menu and verify the input signal.
What to do if my LG Monitor operation does not work normally?
If the operation of your LG Monitor is not working normally: * Check if the Timer is set. * Review the power control settings and ensure power has not been interrupted. * Verify the fans are functioning properly by checking their status in HOME ? Information ? Fan Status.
Why is the screen color abnormal on my LG Monitor?
Abnormal screen color on your LG Monitor can be due to: * The number of colors might be set too low. Set it to more than 24 bits (true color) via [Control Panel] ? [Display] ? [Settings] ? [Color Table] in Windows. * There might be a connection issue with the signal cable. Check the connection or re-insert the PC graphics card. * The appearance of a few red, green, white, or black pixels is normal for OLED panels and not a malfunction.
What to do if the screen image looks abnormal on my LG Monitor?
If the screen image looks abnormal, consider the following: * The graphics card resolution and frequency might not be supported. Check the supported settings and adjust in the [Control Panel] ? [Display] ? [Setting] menu. * Ensure the correct input signal is connected to the appropriate port. * Verify the OLED panel and Signage box are properly connected. If serial numbers match, unplug the power cord and reconnect it to run the Clear Panel Noise function.
General| Screen Size | 55 inches |
|---|---|
| Display Type | OLED |
| Resolution | 1920 x 1080 (FHD) |
| Contrast Ratio | 150, 000:1 |
| Viewing Angle | 178°/178° |
| Operating System | webOS |
| Panel Technology | OLED |
| Viewing Angle (H x V) | 178° x 178° |
| Power Supply | 100-240V~, 50/60Hz |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | 10% to 80% |
| Standby Power Consumption | 0.5 W |
| Brightness | 400 cd/m² |
| Connectivity | HDMI, USB |
| Brightness (Typ.) | 400 cd/m² |
| Orientation | Landscape & Portrait |
| Input | HDMI, DP, USB |
| Output | Audio Out |
| External Control | RS232C, RJ45 |
| Input Ports | HDMI |
| Response Time | 8ms (G to G) |
Precautions regarding power cord, grounding, and electrical safety.
Guidelines for safe installation, including placement and ventilation.
Safe procedures for using, cleaning, and moving the product.
Troubleshooting steps for no image, incorrect format, or signal errors.
Diagnosing and resolving problems with screen display quality, color, and audio output.
Configuration of digital signage settings after installation, including power status and network.
