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Jean HillSep 8, 2025
What to do if LG 55UH5C Digital Signage shows 'Unknown Product' message?
- JJoshua MedinaSep 8, 2025
Check if the Plug and Play function is supported by referring to the graphics card user manual.
What to do if LG 55UH5C Digital Signage shows 'Unknown Product' message?
Check if the Plug and Play function is supported by referring to the graphics card user manual.
Why does my LG 55UH5C have no image?
If your LG Digital Signage displays no image, verify that the power cord is properly connected to the power outlet, check the signal cable, and press the INPUT menu on the remote control to ensure the correct input signal is selected. Also, the signal from your PC's graphics card might be outside the product's vertical or horizontal frequency range. If so, adjust the frequency range according to the specifications in the manual.
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 |
Precautions related to the power cord, plugs, and outlets.
Guidelines for safe installation, including placement, ventilation, and avoiding hazards.
Instructions for safely moving the monitor, including turning it off and handling.
Advice on proper usage, cleaning methods, and avoiding damage or hazards.
Identification and function of the monitor's physical buttons and controls.
Steps for connecting speakers, including basic installation and with OPS.
Guide on connecting the IR sensor for remote control functionality.
Guidelines for safely mounting the monitor on a wall, including VESA standards.
Instructions for securing the monitor to a wall using cables and brackets.
Steps and requirements for connecting a PC.
General guidance for connecting various external devices like receivers or DVD players.
Adjusting picture quality and modes.
How to change the image aspect ratio for optimal viewing.
How to enable and use energy saving features.
Configuration options for audio output and sound modes.
Choosing the audio output source (internal speakers or Bluetooth).
Configuring wired and wireless network connections.
Configuring language, keyboard, time, and auto power settings.
Assigning unique IDs for controlling multiple monitors.
Configuring integrated screens for multi-display setups.
Resetting all monitor settings to default.
Connecting USB/SD devices for multimedia playback.
Displaying device screens wirelessly via WiDi or Miracast.
Managing content distribution and schedules across multiple monitors.
Controlling and checking display status via web browser.
A list of commands and their data for product control.
Configuring digital signage settings after installation.
Configuring auto power off and DPM settings.
Rotating the OSD and image for portrait installation.
Resetting the product to factory settings.
Selecting input sources based on priority for auto switching.
Preventing image sticking using various methods.
