How to fix no sound output on LG 43TNF5J Digital Signage?
If there is no sound output from your LG Digital Signage: * Ensure the audio cable is properly connected. * Adjust the volume of the product or external device. * Verify that the sound settings are configured correctly.
Why is my LG 43TNF5J screen's brightness dark?
If your LG Digital Signage screen appears dark: * Adjust brightness and contrast again. * Backlight may need repair. * If the internal temperature of the enclosure rises, the screen’s brightness may darken. Clean the heat exchanger or filter in the enclosure periodically.
How to resolve unstable or mono-colored screen on LG 43TNF5J?
To resolve an unstable or mono-colored screen on your LG Digital Signage, check the connection status of the signal cable. Or, re-insert the PC graphics card.
What to do if LG 43TNF5J shows 'Unknown Product' message?
If your LG Digital Signage displays an ‘Unknown Product’ message when connected: * Check if the driver of PC(graphics card) has been installed. * Check if the plug and play function is supported by the PC(graphics card) user manual.
How to resolve flickering images on my LG 43TNF5J Digital Signage screen?
If images are flickering or fluttering on your LG Digital Signage screen: * If you turn the monitor on when it is cold, the screen may flicker. This is normal. * Make sure that the current resolution and frequency settings of the graphics card are supported by the monitor.
How to fix LG 43TNF5J screen with poor color resolution (16 colors)?
To resolve poor color resolution (16 colors) on your LG Digital Signage screen, use PC settings to set the color to 24 bits (True Color) or above.
How to fix incorrect screen position on LG 43TNF5J Digital Signage?
To correct the screen position on your LG Digital Signage: * Check if the graphics card resolution and frequency are supported by the product. If the frequency exceeds the supported range, use PC settings to set the resolution to the recommended value. * If you are using a D-Sub analog signal, press the button on the remote control to automatically select the optimal screen status that fits into the current mode. If the adjustment is not satisfactory, adjust the display settings manually in the OSD menu.
What to do if LG Digital Signage shows 'No signal' or 'Invalid Format'?
If your LG Digital Signage displays a ‘No signal’ or ‘Invalid Format’ message: * Check the signal cable to ensure it's properly connected between the PC and the product, and that the connection is stable. The signal cable is not connected between the PC and the product, or the cable connection status is unstable. * Access the input menu to verify the input signal. * If the signal from the PC (Graphics card) is out of the product's vertical or horizontal frequency range, adjust the frequency range by referring to the specifications in this manual.
Why is my LG 43TNF5J screen displayed abnormally?
If your LG Digital Signage screen is displaying abnormally: * Ensure you're using the correct signal cable for the source input. * If condensation appears on the screen, allow some time after powering on for it to dissipate. * When connecting the panel and the Signage box, check their serial numbers and make sure they match. If the serial numbers match, unplug the power cord and plug it in again to run the Clear Panel Noise feature. The system will reboot automatically after running the feature. * You can also run the feature in (Settings) [Display] [Advanced Settings] [OLED Panel Settings] [Clear Panel Noise] menu.
What to do if touch does not respond on LG 43TNF5J Digital Signage?
If the touch function isn't responding on your LG Digital Signage, try these steps: * If the USB cable between PC and product is not connected, remove the USB cable and connect it again after 10 seconds. * Ensure your PC’s power cord is firmly plugged into a power outlet and restart your PC. * If the system is down due to an unstable network, reconnect the LAN cable or restart your PC. * If your PC and product are not connected using a signal cable, check the signal cable connection. * If the product is powered off, check the product power. * Always connect the power cord to a grounded outlet. * Check if the screen is currently on. * A break or touch error may occur as below case.
General| Brand | LG |
|---|---|
| Model | 43TNF5J |
| Category | Digital Signage |
| Language | English |
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