How to get rid of thin lines in the background of my LG LED TV screen?
- RRandy AdamsSep 6, 2025
If thin lines appear in the background of your LG LED TV screen, check the video cable connections.

How to get rid of thin lines in the background of my LG LED TV screen?
If thin lines appear in the background of your LG LED TV screen, check the video cable connections.
Why doesn't the file appear on the Movie List of my LG LED TV?
If a file does not appear on the Movie List of your LG LED TV, check whether the extension is supported.
Why does my LG LED TV say “This file is invalid”?
If your LG LED TV displays the message “This file is invalid” or the audio works but the video doesn't, check whether the file plays normally on a PC. Also, check if the file is damaged, if the resolution is supported, if the video/audio codec is supported, and if the frame rate is supported.
Why does my LG LED TV say “Unsupported Audio”?
If your LG LED TV displays the message “Unsupported Audio” or the video works but the audio doesn't, check whether the file plays normally on a PC. Also, check if the file is damaged, if the audio codec is supported, if the bit rate is supported, and if the sample rate is supported.
| Style | Flat |
|---|---|
| Color | Black |
| Screen Type | LED |
| Stand Type | Simple |
| Wall Mount | VESA 200 x 200 mm |
| Tilt | Yes |
| Sound | Dolby Pulse |
| Features | 3D |
| Connectivity | - |
| SmartTV | Smart TV webOS 3.0 |
| Interface Connectors | HDMI |
| Operation Conditions | - |
| Screen Size | 42 in |
| Aspect Ratio | 16:9 |
| Resolution | 1920 x 1080 |
| Refresh Rate | - |
| Viewing Angle | - |
| Response Time | - |
| Brightness | - |
| Contrast Ratio | - |
| Color Support | - |
| Battery Type | |
| Power Supply | 50/60 Hz |
| Power Consumption | Standby Mode: 0.3W |
| Depth with Stand | 10.1 in |
| Height with Stand | 26.9 in |
| Width with Stand | 39.3 in |
| Net Weight with Stand | 34.2 lb |
| Depth without Stand | 3.1 in |
| Height without Stand | 24.2 in |
| Width without Stand | 39.3 in |
| Net Weight without Stand | 29.3 lb |
Essential precautions for safe operation and preventing hazards like electric shock, water damage, and heat.
Instructions on proper grounding, power cord protection, and antenna grounding for electrical safety.
Guidelines and warnings for viewing 3D content to ensure user safety and prevent discomfort.
Identifies and describes the function of physical buttons on the TV for user interaction.
Steps to connect the TV to a network via wired or wireless connections.
Solutions for general problems like remote control, image, sound, and sudden power off.
Addresses problems related to video display, movie playback, and subtitle issues.
Steps for downloading and installing the latest TV firmware for improved performance.
Safety recommendations for placing and using the TV to prevent child injury.
Essential safety guidelines and precautions for wall mounting the flat panel display.
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