LG 55UH5C Easy Setup Guide

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P/No: MFL69700803 (1611-REV01)

Printed in Korea

LG Digital Signage

(MONITOR SIGNAGE)

Affichage dynamique numérique LG

(MONITEUR DE SIGNALISATION)

Señalización digital LG

(MONITOR DE SEÑALIZACIÓN)

*MFL69700803*

49UH5C 55UH5C 65UH5C

ENGLISH Easy Setup Guide

Please read this manual carefully before operating your set and retain it for future reference.

FRANÇAIS Guide de configuration rapide

Veuillez lire ce manuel attentivement avant d’utiliser l’appareil et conservez-le pour pouvoir vous y

reporter ultérieurement.

ESPAÑOL Guía Rápida

Lea atentamente este manual antes de poner en marcha el equipo y consérvelo para futuras

consultas.

AAA

(M3 x L6)

Other manuals for LG 55UH5C

Owner's Manual134 pages

Quick Start Guide8 pages

Questions and Answers:

S
Scott OchoaAug 20, 2025
How to fix no image on LG 55UH5C?
- R
  robertbrownAug 20, 2025
  If no image is displayed on your LG Digital Signage, first ensure the power cord is correctly plugged into the power outlet. Also, check the signal cable connection between your PC and the display. Press the INPUT menu on the remote control to verify the input signal. If the issue persists, the signal from your PC might be out of the product's frequency range. In this case, adjust the frequency range according to the specifications in the manual.
M
Mitchell HardinAug 22, 2025
Why does the audio not work on my LG Digital Signage?
- S
  Sierra WilliamsAug 22, 2025
  If the audio function isn't working on your LG Digital Signage, check that the audio cable is properly connected. Also, make sure the volume is adjusted to an audible level and the sound settings are configured correctly. Try selecting an appropriate equalizer sound setting too.
T
Tyler SmithAug 25, 2025
What to do if the screen color is abnormal on LG Digital Signage?
- C
  Christopher GarciaAug 25, 2025
  If the screen color appears abnormal on your LG Digital Signage, try setting the number of colors to more than 24 bits (true color) via Control Panel ? Display ? Settings ? Color Table in Windows. Also, check the connection status of the signal cable. Note that several pixels may appear on the screen, which is attributable to the unique characteristics of the LCD panel and not a malfunction.
W
William GallowayAug 26, 2025
Why does the screen image look abnormal on my LG 55UH5C?
- R
  reedallisonAug 27, 2025
  If the screen image on your LG Digital Signage looks abnormal, verify that the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set the resolution to the recommended setting in the Control Panel ? Display ? Setting menu. Also, ensure the proper input signal is connected to the correct signal port by connecting the appropriate signal cable.
A
Amanda BuchananAug 27, 2025
Why does after-image appear on my LG 55UH5C Digital Signage?
- J
  james69Aug 28, 2025
  If an after-image appears on your LG Digital Signage, and you've been using a fixed image for a long time, it may cause pixel damage; use the screen-saver function to prevent this. Also, it's normal for LCD screens to show a dark image after displaying an image with high contrast (black and white or gray).
M
Melissa LopezAug 29, 2025
How to solve 'Unknown Product' message on LG Digital Signage?
- M
  Margaret ButlerAug 30, 2025
  If the 'Unknown Product' message appears when your LG Digital Signage is connected, check if the Plug and Play function is supported by referring to the graphics card user manual.
J
jacobsrobertAug 31, 2025
What to do if LG 55UH5C Digital Signage screen image looks abnormal?
- J
  jessicariceAug 31, 2025
  If the screen image on your LG Digital Signage looks abnormal, verify that the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set the recommended resolution in the Control Panel's Display settings. Also, ensure the correct input signal is connected to the appropriate signal port by using the signal cable that matches the source input signal.
A
Amy Smith MDSep 2, 2025
How to troubleshoot audio function not working on LG Digital Signage?
- E
  Erika McmillanSep 2, 2025
  If the audio function on your LG Digital Signage is not working, check whether the audio cable is properly connected. Also, verify that the volume and sound settings are correctly adjusted, and select an appropriate equalizer sound.
J
Jillian SmithSep 4, 2025
Why is the screen color abnormal on my LG 55UH5C Digital Signage?
- J
  Joseph ThomasSep 4, 2025
  If the screen color on your LG Digital Signage is abnormal, set the number of colors to more than 24 bits (true color) via the Color Table settings in Windows' Display settings. Also, check the connection status of the signal cable. Note that several pixels (red, green, blue, white, or black) may appear, which is normal for LCD panels and not a malfunction.
H
Heather McintyreSep 6, 2025
What to do for after-image appearing on LG 55UH5C Digital Signage?
- W
  Wendy LewisSep 6, 2025
  If an after-image appears on your LG Digital Signage, it might be due to using a fixed image for an extended period, which can damage the pixels. Use the screen-saver function to prevent this. Additionally, image sticking can occur when a dark image is displayed after a high-contrast image; this is normal for LCD screens.

LG 55UH5C Specifications

General

Panel Technology	IPS
Brightness	700 cd/m²
Contrast Ratio	1200:1
Viewing Angle (H x V)	178° x 178°
Response Time	8 ms
Orientation	Landscape / Portrait
Operating Hours	24/7
Operating Temperature	0°C to 40°C
Operating Humidity	10% to 80%
Screen Size	55 inches
Resolution	3840 x 2160 (UHD)
Input	HDMI, DisplayPort, USB
Output	DisplayPort
External Control	RS-232C, LAN
Power Supply	100-240V~, 50/60Hz
Standby Power Consumption	0.5W

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