Why do black spots appear on my LG LCD TV screen?
- CChristina RoweSep 5, 2025
The appearance of several pixels in red, green, white, or black on your LG LCD TV screen is normal and relates to the characteristics of the panel.

Why do black spots appear on my LG LCD TV screen?
The appearance of several pixels in red, green, white, or black on your LG LCD TV screen is normal and relates to the characteristics of the panel.
What if the file does not appear on the Movie List of LG 55LV5300 LCD TV?
If a file does not appear on the Movie List of your LG LCD TV, check whether the file extension is supported.
What to do if LG LCD TV displays “This file is invalid”?
If your LG LCD TV displays the message “This file is invalid” or the audio works but the video doesn't, check the following: * Ensure the file plays correctly on a PC to verify it's not damaged. * Confirm that the resolution is supported. * Check if the video/audio codec is supported. * Verify that the frame rate is supported.
| Screen Size | 55 inches |
|---|---|
| Resolution | 1920 x 1080 |
| Display Type | LCD |
| Backlight Type | LED |
| Refresh Rate | 60 Hz |
| USB Ports | 2 |
| Smart TV | No |
| Built-in Wi-Fi | No |
| Audio Output | 20W (10W x 2) |
Instructions for safe disposal of specific lamp types.
Checking the product box for included items.
Information about compatible accessories and their availability.
Identification and function of TV components and controls.
Guidelines for safely handling and transporting the television.
Step-by-step instructions for assembling the TV stand.
Instructions for securely placing the TV on a flat surface.
Procedures for wall-mounting the television for safety.
Methods for organizing and securing TV cables.
Guide for connecting TV to broadcast sources.
Initial setup steps for powering on and configuring the TV.
Procedures for automatically or manually tuning TV channels.
Options for managing, adding, or deleting TV channels.
How to set up and access preferred channels.
Accessing details about the currently playing program.
Options for resizing images to fit the screen display.
Selecting and managing external device sources.
How to activate and use the child lock feature.
Guidelines and precautions for viewing 3D content.
How to switch between 3D and 2D viewing modes.
Connecting external media devices for playback.
Navigating and selecting media files from storage devices.
Playing video files from connected USB storage.
Displaying photo files from USB storage devices.
Playing audio files from USB storage devices.
Overview of the TV's primary menu categories.
Options for managing and tuning TV channels.
Adjusting image quality parameters like brightness and contrast.
Configuring sound quality, effects, and volume settings.
Setting the TV's clock, timers, and daylight saving.
Features for blocking channels, movies, or parental controls.
Customizing general settings like language and captioning.
Diagram showing various external device connection ports.
Instructions for connecting common media playback devices.
Guide for establishing a digital video and audio connection via HDMI.
Connecting analog video and audio signals using component cables.
Connecting the TV to a computer for display.
Connecting to a PC using RGB signal cables.
Connecting USB storage devices for media playback.
Enabling and using the SIMPLINK feature for device control.
Procedures for cleaning the TV screen and body.
Tips to avoid screen burn-in from static images.
Common problems and their resolutions.
Troubleshooting audio-related issues.
Troubleshooting video display problems.
List of supported video file types and their parameters.
Technical details about the remote control's infrared signal.
Instructions for connecting and controlling via RS-232C port.
A list of commands for controlling the TV externally.
The terms and conditions of the GNU GPL.
Compliance information regarding FCC regulations.
CE marking compliance details for European market.
Compliance with guidelines for low radiation emissions.