Why does 'Unknown Product' appear on my LG 42LT55A?
If the 'Unknown Product' message appears when your LG Digital Signage is connected, see if the plug&play function is supported by referring to the video card user manual.
How to fix dull sound on LG 42LT55A?
If the sound is too dull on your LG Digital Signage, adjust the Clear Voice ll, Treble and Bass appropriately.
How to increase the sound on my LG 42LT55A?
If the sound is too low on your LG Digital Signage, adjust the volume.
What to do if touch location is inaccurate on LG Digital Signage?
If the location of a touch does not correspond to the touch coordinates on your LG Digital Signage, change your tablet PC settings (Windows 7). This issue may occur if the touch screen is not calibrated properly; go to Control Panel > Hardware and Sound > Tablet PC Settings > Display > Display options > Calibrate or Reset. For Windows XP, change the display setting to Full Screen.
How to fix an LG Monitor with no image?
If your LG Monitor displays no image, ensure the power cord is properly connected to the outlet. Also, verify that the signal cable between your PC and the monitor is securely connected. Press the 'INPUT' menu on the remote control to check the input signal. The signal from the PC (video card) might be out of the vertical or horizontal frequency range of the product. Adjust the frequency range by referring to the Specifications in this manual. The maximum resolution for RGB, HDMI, DVI-D, and Display Port is 1920 x 1080 @ 60 Hz.
How to prevent after-image on LG Digital Signage?
To prevent after-image issues on your LG Digital Signage, use the screen-saver function, especially if displaying a fixed image for extended periods, to avoid pixel damage. Note that image sticking can occur when a dark image is displayed after an image with high contrast; this is normal for LCD screens.
How to fix abnormal screen image on LG 42LT55A Digital Signage?
If the screen image looks abnormal on your LG Digital Signage, and you are using a D-Sub analog signal, press the "AUTO" button on the remote control to automatically select the optimal screen status. If adjustment is not satisfactory, select [PICTURE] - [Screen] - [Position] in the OSD menu. Ensure the video card resolution and frequency are supported by the product, setting to the recommended resolution in the Control Panel "Display" Setting menu if necessary. You can also try adjusting the screen size and phase in the OSD menu under [PICTURE] - [Screen]. Finally, ensure the proper input signal is connected to the signal port.
What to do if touch does not respond on LG Digital Signage?
If the touch function does not respond on your LG Digital Signage, check the USB cable connection. Ensure the USB cable between the PC and monitor is firmly connected. Also, check the PC and monitor power, ensure the screen is on, check the signal cable connection, and try restarting your PC.
How to fix the audio on my LG 42LT55A Digital Signage?
If the audio function on your LG Digital Signage does not work, check if the audio cable is connected properly. Also, ensure that the volume is appropriately adjusted and the sound settings are correctly configured.
Why is the screen color abnormal on my LG 42LT55A?
If the screen color is abnormal on your LG Digital Signage, set the number of colors to more than 24 bits (true color) via Control Panel - Display - Settings - Color Table menu in Windows. Also, check the connection status of the signal cable and re-insert the PC video card. Note that several pixels (red, green, white or black color) may appear on the screen, which is attributable to the unique characteristics of the LCD panel and not a malfunction.
General| Brand | LG |
|---|---|
| Model | 42LT55A |
| Category | Digital Signage |
| Language | English |
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