A
Andrew WhiteheadSep 23, 2025
What to do if the “Unknown Product” message appears when my LG Digital Signage is connected?
- TTanya CurtisSep 23, 2025
Check if the Plug and Play function is supported by referring to the graphics card user manual.
To Next PageTo Next PageWhat to do if the “Unknown Product” message appears when my LG Digital Signage is connected?
Check if the Plug and Play function is supported by referring to the graphics card user manual.
Why the operation does not work normally on my LG Monitor?
If your LG Monitor isn't operating normally, check if the Timer is set. Also, review the power control settings. Note that a power interruption could also cause this issue.
What to do if no image is displayed on my LG 55SM5C Digital Signage?
If no image appears on your LG Digital Signage, ensure the power cord is correctly plugged into the power outlet. Also, check the signal cable and access the input menu to verify the input signal. If the signal from the PC (Graphics card) is out of the vertical or horizontal frequency range of the product, adjust the frequency range by referring to the Specifications.
Why is the screen color abnormal on my LG 55SM5C?
If the screen color on your LG Digital Signage appears abnormal, try the following: * Set the number of colors to more than 24 bits (true color) by navigating to [Control Panel] ? [Display] ? [Settings] ? [Color Table] in Windows. Note that the exact settings location may vary depending on your operating system. * Check the connection status of the signal cable. * Re-insert the PC graphics card. Keep in mind that several pixels (red, green, blue, white, or black color) may appear on the screen, which is attributable to the unique characteristics of the LCD panel and does not indicate a malfunction.
How to fix the audio on my LG 55SM5C Digital Signage?
If the audio function is not working on your LG Digital Signage, please check the following: * Ensure the audio cable is properly connected. * Adjust the volume settings. * Verify the sound settings are correctly configured. * Select the appropriate equalizer sound. * Adjust the volume again to ensure it is at a suitable level.
What to do if audio function doesn't work on LG 55SM5C Digital Signage?
If the audio function does not work on your LG Digital Signage, check whether the audio cable is properly connected. Make sure the volume is adequately adjusted and the sound is set correctly. Try selecting the appropriate equalizer sound and re-adjusting the volume.
What to do if LG 55SM5C operation does not work normally?
If the operation of your LG Digital Signage does not work normally, check if the Timer is set and review the power control settings. Note that a power interruption could also be the cause.
Why does 'Unknown Product' message appear on LG 55SM5C Digital Signage?
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.
How to solve 'Unknown Product' message appears when LG Monitor is connected?
If you see an 'Unknown Product' message when your LG Monitor is connected, check your video card user manual to see if the Plug & Play function is supported.
Why is the screen color abnormal on my LG Monitor?
If the colors on your LG Monitor's screen appear abnormal, first set the color depth 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 to ensure it's properly connected. Please note that slight color variations can be normal due to the unique characteristics of the LCD panel and do not indicate a malfunction.
General| Panel Type | IPS |
|---|---|
| Viewing Angle (H x V) | 178° x 178° |
| Response Time | 8 ms |
| Orientation | Landscape / Portrait |
| Operating Hours | 24/7 |
| Built-in Speaker | Yes |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| VESA Mount | 400 x 400 mm |
| Screen Size | 55 inch |
| Resolution | 1920 x 1080 |
| Input | HDMI, USB, RS-232C |
| External Control | RS-232C, RJ45 |
| Power Consumption | 120W |
| Standby Power Consumption | 0.5W |
