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Lisa LoweSep 5, 2025
How to adjust brightness on dark LG 50LN5400 LED TV screen?
- AAmy WilliamsSep 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 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 50LN5400 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 50LN5400 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 50LN5400 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 50LN5400 LED TV?
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 LED TV 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| Display diagonal | 49.5 \ |
|---|---|
| Native aspect ratio | 16:9 |
| Native refresh rate | 60 Hz |
| LED backlighting type | Direct-LED |
| Supported video modes | 1080i, 1080p, 720p |
| Screen format adjustments | 4:3, 16:9, Auto, Zoom |
| Motion interpolation technology | TruMotion 120 Hz |
| 3D | - |
| RMS rated power | 20 W |
| Number of speakers | 2 |
| PC in (D-Sub) | No |
| DVI-D ports quantity | 0 |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| Consumer Electronics Control (CEC) | SimpLink |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| Smart modes | Cinema, Game, Sports, Standard, Vivid |
| Product color | Black |
| Panel mounting interface | 400 x 400 mm |
| Power consumption (standby) | - W |
| Sustainability certificates | ENERGY STAR |
| Package depth | 175 mm |
| Package width | 1374 mm |
| Package height | 810 mm |
| Package weight | 19821 g |
Weight and Dimensions| Depth (with stand) | 262 mm |
|---|---|
| Height (with stand) | 723.9 mm |
| Weight (with stand) | 15603 g |
| Depth (without stand) | 82 mm |
| Width (without stand) | 1135 mm |
| Height (without stand) | 660 mm |
| Weight (without stand) | 14210 g |
Ensures proper earth ground connection and outdoor antenna safety precautions.
Avoids screen damage from fixed images and provides FCC compliance info.
Covers unpacking, identifying parts, lifting, and initial setup of the TV.
Details how to connect external devices like antennas, receivers, and audio systems.
Explains the functions and operation of the TV's remote control.
Guides on initial TV setup, basic operation, and channel management.
Instructions for connecting and using USB storage devices for media playback.
Instructions for setting up external control devices for the TV.
Guides on adjusting picture, sound, channel, time, and other TV preferences.
Provides instructions for cleaning and maintaining the TV.
Offers solutions for common problems encountered with the TV.
Provides technical details and dimensions for various TV models.
