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Linda PalmerSep 5, 2025
How to adjust brightness on dark LG LED TV screen?
- JJennifer RiosSep 5, 2025
If the screen of your LG LED TV appears extremely dark even when the power is on, adjust the brightness and contrast settings in the menu.
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If the screen of your LG LED TV appears extremely dark even when the power is on, adjust the brightness and contrast settings in the menu.
Why does my LG 42LN5400 LED TV turn off suddenly?
If your LG LED TV turns off unexpectedly, examine the power control settings to ensure the power supply isn't being interrupted. Check the Time settings to see if the Auto sleep feature is enabled. Also, note that the TV will automatically turn off after 15 minutes of inactivity if there is no signal.
How to fix LG LED TV with no sound but image?
If your LG LED TV displays images but produces no sound, first, press the VOL + button to increase the volume. Also, check if the sound is muted by pressing the MUTE button. Try switching to other channels to rule out a broadcast issue. Finally, verify that the TV Speaker feature is enabled in the menu options.
What to do if LG LED TV remote control is not working?
If you're unable to control your LG LED TV with the remote, first, ensure there are no obstructions between the remote and the TV's sensor. Then, check the remote's batteries to confirm they are working and properly installed. Finally, check the remote control sensor on the product and try again.
How to fix no sound on LG LED TV?
If your LG LED TV is displaying images but has no sound, first, press the VOL + or - button to adjust the volume. Next, check if the sound is muted by pressing the MUTE button. Try switching to other channels, as the issue might be with the broadcast. Finally, ensure that the TV Speaker feature is activated in the menu options.
Why do thin lines appear 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 do afterimages appear on my LG 42LN5400?
Afterimages (ghosts) that appear when your LG LED TV is turned off may be due to pixels damaged from a fixed image displayed for an extended period. To prevent this, use a screen saver.
Why does my LG LED TV make unusual sounds?
A change in ambient humidity or temperature may cause your LG LED TV to produce unusual noises when it turns on or off. This is normal and does not indicate a problem with the TV.
Why is the color quality poor on my LG LED TV?
If the image on your LG LED TV is in black and white or the color quality is poor, try adjusting the color settings in the menu. Ensure that the TV is far enough away from other electronic devices that might cause interference. You might also want to try changing channels in case the issue is with the broadcast signal.
What to do if my LG 42LN5400 has no image and sound?
If your LG LED TV shows no image and produces no sound, first, ensure that the TV is turned on. Next, check that the power cord is properly connected to a working wall outlet. To verify the outlet's functionality, try connecting another device to it.
General| Screen shape | Flat |
|---|---|
| Response time | - ms |
| Display diagonal | 42 \ |
| Display brightness | - cd/m² |
| Native aspect ratio | 16:9 |
| Native refresh rate | 60 Hz |
| LED backlighting type | Direct-LED |
| Supported video modes | 1080p |
| Screen format adjustments | 4:3, 16:9, Auto, Zoom |
| Supported graphics resolutions | 1920 x 1080 (HD 1080) |
| Motion interpolation technology | TruMotion 120 Hz |
| 3D | No |
| Wi-Fi ready | - |
| Annual energy consumption | 76 kWh |
| Tuner type | Analog & digital |
| RMS rated power | 20 W |
| Number of speakers | 2 |
| DVI-D ports quantity | 0 |
| USB 2.0 ports quantity | 1 |
| Consumer Electronics Control (CEC) | SimpLink |
| Smart modes | Cinema, Energy saving, Game, Sports, Standard, Vivid |
| Product color | Black |
| Panel mounting interface | 200 x 200 mm |
| Power consumption (standby) | - W |
| Sustainability certificates | ENERGY STAR |
| Package depth | 175 mm |
| Package width | 1150 mm |
| Package height | 660 mm |
| Package weight | 13100 g |
| Cables included | AC |
Weight and Dimensions| Depth (with stand) | 235 mm |
|---|---|
| Height (with stand) | 628 mm |
| Weight (with stand) | 10400 g |
| Depth (without stand) | 79 mm |
| Width (without stand) | 968 mm |
| Height (without stand) | 566 mm |
| Weight (without stand) | 9300 g |
Ensures proper earth ground connection to prevent electric shock.
Unpack, identify parts, and prepare the TV for setup.
Identifies TV components and buttons on the remote control.
Instructions for placing the TV on a surface or wall.
Step-by-step instructions for attaching the TV stand.
Instructions for placing the TV on a table and securing it.
Details on VESA standards, screws, and brackets for wall mounting.
How to connect an antenna or cable to receive TV signals.
Instructions for connecting video sources like receivers and players.
Initial setup steps for language and basic settings.
