To Next PageTo Next PageWhat to do if LG Digital Signage shows ‘Unknown Product’ message?
If your LG Digital Signage displays the ‘Unknown Product’ message when connected to a PC, ensure that the driver for your PC's graphics card is installed. Also, verify that the plug and play function is supported by your PC's graphics card, referring to its user manual.
Why is the touch location incorrect on my LG 55CT5WN-Z?
If the location of a touch on your LG Digital Signage does not correspond to the touch coordinates, it may be because the touch screen is not calibrated properly. To resolve this, change your tablet PC settings to calibrate the touch screen.
What to do if my LG 55CT5WN-Z says ‘No signal’ or ‘Invalid Format’?
If your LG Digital Signage displays a message saying ‘No signal’ or ‘Invalid Format’, check the signal cable to ensure it is properly connected between the PC and the product. Also, access the input menu to check the input signal. If the issue persists, the signal from your PC (graphics card) might be outside the product's frequency range. In this case, adjust the frequency range by referring to the specifications in this manual.
How to fix LG Digital Signage when the power won’t turn on?
If your LG Digital Signage power won’t turn on, first ensure the power cord is securely plugged into the power outlet. If it still fails to power on, try disconnecting the AC adapter, cleaning the contacting port, and then try turning it on again.
Why does after-image appear on my LG 55CT5WN-Z Digital Signage?
If an after-image appears on your LG Digital Signage when the product is turned off, 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 on the screen after an image with high contrast (black and white or gray), this may cause image sticking, which is normal for display products.
Why does my LG 55CT5WN-Z say 'No signal'?
A 'No signal' or 'Invalid Format' message on your LG Digital Signage can appear if the signal cable isn't properly connected between your PC and the product, or if the cable connection is unstable. Check the signal cable. Also, access the input menu to check the input signal. This issue can also arise if the signal from your PC (graphics card) is outside the product's vertical or horizontal frequency range. In this case, adjust the frequency range by referring to the specifications in this manual.
Why is touch applied to the wrong monitor on my LG 55CT5WN-Z Digital Signage?
If a touch is applied to a monitor other than the one you intended on your LG Digital Signage, this may occur if the monitor is not set as the default monitor when you are using multiple monitors. Set the monitor as the default monitor. It may also occur when the touch screen is not calibrated properly, so change your tablet PC settings.
Why is the touch location wrong on my LG 55CT5WN-Z?
If the location of a touch does not correspond to the touch coordinates on your LG Digital Signage, this may occur when the touch screen is not calibrated properly. Change your tablet PC settings.
Why is the sound too dull on my LG Digital Signage?
If the sound from your LG Digital Signage is too dull, select the appropriate equalizer sound setting.
Why is the sound too low on my LG Digital Signage?
If the sound is too low on your LG Digital Signage, adjust the volume of the product or external device.
General| Brand | LG |
|---|---|
| Model | 55CT5WN-Z |
| Category | Digital Signage |
| Language | English |
