How to fix the 'Unknown Product' message on my LG 55SH7E Digital Signage?
If you see an 'Unknown Product' message 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 fix no image on LG 55SH7E?
If no image is displayed on your LG Digital Signage, first ensure the power cord is correctly plugged into the power outlet. Then, 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 in this manual.
Why is the screen color abnormal on my LG Digital Signage?
If the screen color on your LG Digital Signage is abnormal, set the number of colors to more than 24 bits (true color) by selecting [Control Panel] ? [Display] ? [Settings] ? [Color Table] in Windows. Also, check the connection status of the signal cable and re-insert the PC graphics card. Note that several pixels (red, green, blue, white, or black color) may appear on the screen due to the unique characteristics of the LCD panel, and this is not a malfunction.
What to do if the screen image looks abnormal on LG 55SH7E?
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 to the recommended resolution in the [Control Panel] ? [Display] ? [Setting] menu. Ensure you connect the signal cable that matches the source input signal.
How to troubleshoot audio function not working on LG Digital Signage?
If the audio function does not work on your LG Digital Signage, check if the audio cable is connected properly. Then, adjust the volume and ensure the sound is set appropriately. Also, select the appropriate equalizer sound and try adjusting the volume again.
What to do if the 'Unknown Product' message appears on LG 55SH7E?
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.
Why does the screen image look abnormal on my LG 55SH7E?
If the screen image looks abnormal on your LG Digital Signage, verify that the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the [Control Panel] ? [Display] ? [Setting] menu. Also, ensure you connect the signal cable that matches with the source input signal.
What to do if after-image appears on LG 55SH7E?
If an after-image appears on your LG Digital Signage, and you use a fixed image for a long time, it may damage the pixels. Use the screen-saver function. Also, when a dark image is displayed on the screen after an image with high contrast (black and white or gray), this may cause image sticking, which is normal for LCD screen products.
What to do if the audio function doesn't work on my LG 55SH7E Digital Signage?
Check whether the audio cable is properly connected. Adjust the volume and ensure the sound settings are correctly configured. You may also want to select an appropriate equalizer sound and re-adjust the volume.
Why does after-image appear on LG 55SH7E Digital Signage?
If an after-image appears on your LG Digital Signage, and you've been using a fixed image for a long time, the pixels may be damaged; use the screen-saver function. Also, when a dark image is displayed after an image with high contrast, it may cause image sticking, which is normal for LCD screen products.
Guidelines for safe use of electrical power.
Safety measures to follow during product installation.
Safe handling instructions for moving the product.
Safe practices for operating and cleaning the monitor.
Instructions on how to connect and attach the monitor stand.
General| Panel Technology | IPS |
|---|---|
| Operating Temperature | 0 °C to 40 °C |
| Storage Temperature | -20 °C to 60 °C |
| Standby Power Consumption | 0.5W |
| Display Size | 55 inches |
| Resolution | 1920 x 1080 (Full HD) |
| Contrast Ratio | 1200:1 |
| Viewing Angle (H x V) | 178° x 178° |
| Life Time | 50, 000 hours |
| Operation Hours | 24 Hrs |
| Orientation | Landscape/Portrait |
| Input | DVI-D |
| Output | Audio Out |
| External Control | RS-232C |
| Connectivity | RS-232C, USB |
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