How do I troubleshoot my LG TV?

Note: The basic trouble shooting steps main purpose is to determine if the TV has an issue.
  1. Unplug your devices (Modem / Router & TV) ...
  2. Plug in the Modem / Router > TV. ...
  3. Beware of items that cause interference. ...
  4. Turn off the Quick Start Feature. ...
  5. Turn off the Simplink Feature. ...
  6. Remove any USB memories attached to the TV.
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How do I run a diagnostic on my LG TV?

You can also long-press the number 9 button of the remote control to run the Quick Help . You can automatically check the overall status of your TV and view and change the recommended setting values. Select the problematic item, and you can get help to solve the problem.
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What are common problems with LG TVs?

6 Most Common Problems With LG TVs (Explained)
  • False Contouring or Posterization.
  • Colors are Inconsistent.
  • No Sound Output.
  • HDMI 2.1 Ports Not Displaying Properly.
  • Streaming Apps not Working.
  • Horizontal lines appear on the screen.
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Does my LG TV have a reset button?

Press the Smart button on your remote, then click the Gear icon in the top right, then General > Reset to Initial Settings.
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Why has my LG TV stopped working?

If your LG TV won't turn on you need to reset it. Unplug your TV and wait a full 60 seconds. While the TV is unplugged, press and hold the power button for 30 seconds. After the 60 seconds are up, plug your LG TV back in and it should work.
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How to Factory Reset LG TV - Fix it Now



How do I reboot my LG TV?

How to Restart an LG TV with the Remote
  1. Press the Home Button on the TV remote so that the Menu shows.
  2. Scroll down to Settings.
  3. Select General.
  4. Choose Reset.
  5. Follow the on-screen instructions until you get to the end page.
  6. Choose Confirm.
  7. Enter the TV's password.
  8. Choose Restart.
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What to do when your LG TV turns on but the screen is black?

Verify the connection is secure and retry:
  1. Unplug the external component (if possible) for 30 seconds.
  2. Disconnect the HDMI cable from the TV and move it to an alternate port.
  3. Plug the device back in, and change the TV to the new input to see if the issue is resolved.
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How do I reset my LG TV without the remote?

To reset an LG TV without a remote, you can use the buttons on the side of the TV to access the Settings to initiate the reset. You can also use LG's ThinQ app or set up a universal remote.
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How do I soft reset my LG TV?

This is a soft restart because it only restarts your operating system, and the rest is left untouched. To do this: Press and hold the Menu and Vol Down button for at least 15 seconds. When the TV restarts and displays the LG logo, let go of the buttons.
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How do I know if my LG TV is going bad?

Signs It's Time for a New TV
  1. Your electricity bill is too high. ...
  2. It won't work with your other gadgets and services. ...
  3. There are colored lines across your screen. ...
  4. Your TV screen is going out or fading. ...
  5. Your TV takes forever to start. ...
  6. You're experiencing poor sound quality. ...
  7. You've got a case of TV screen burn-in.
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Why is my LG TV not showing picture?

Unplug the external component (if possible) for 30 seconds. Disconnect the HDMI cable from the TV and move it to an alternate port. Plug the device back in, and change the TV to the new input to see if the issue is resolved.
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What to do when your TV turns on but the screen is black?

A hidden fault within HDMI cable – Replace with new High-Speed HDMI 2.0 cable. Replace the HDMI cable as it may have a short or another defect which causes the black screen issue. Unplug the TV for 5 minutes to attempt a reset. Unplugging the TV will reset the television and clear any temporary issues.
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What is the smart button on my LG TV?

Sets the speed and shape of the pointer that appears on the TV screen. Press the SMART button on the remote control and select Settings > Option on the TV menu. Scroll down the page and select the Pointer option. Speed - Sets the moving speed of the pointer.
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How do I reset my TV to factory settings without a remote?

Manual Factory Reset with buttons (Android TV & Google TV)
...
Power cycle (ALL TVs)
  1. Unplug the television power cord from the electrical outlet. Leave it unplugged for 30 seconds.
  2. Plug the power cord back into the electrical outlet.
  3. If the TV doesn't start up, use the Power button on the TV to turn it on.
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How do I reset my TV?

Press the ACTION MENU or (Quick Settings) button. The next steps will vary depending on your TV menu options: Select System → About → Reset → Factory data reset → Erase everything → Yes. Select Device Preferences → Reset → Factory data reset → Erase everything → Yes.
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Why won't my LG TV turn on but red light is on?

When your LG TV no longer turns on and the red LED flashes, this can signal a processor or software malfunction. The first reflex to have is to proceed to an electrical reset to remove these possible malfunctions that prevent your TV from starting up. To do this : Unplug your LG TV cord from the wall outlet.
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How do you fix a TV with no picture but has sound?

Unplug the TV cord from the power socket. Leave it unplugged and while it's unplugged press and hold the Power button on the TV for 25 seconds. Release the power button and plug the cord back in. Turn ON the TV using the remote control or manually and check if there's picture on the Screen.
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How do you diagnose TV problems?

How to Diagnose TV Screen Problems
  1. Turn on your TV. If it does not turn on at all, check the power cable and ensure that it is plugged in all the way. ...
  2. Plug in an external device, such as a DVD player, cable box or video game console. Make sure you are on the correct video input. ...
  3. Check the bulb. ...
  4. Check the video settings.
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How long do LG TVs last?

If an LG TV is LED, LEDs have a lifespan between 40,000 to 60,000 hours or 4.5 to 6.8 years. Let's say it's between 5 and 7 years, with the understanding that you aren't watching TV for 24 hours a day.
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How many years do flat screen TVs last?

Plasma's half life ranges between 30,000 to 50,000 hours, while LCD offers around 60,000 hours. In real terms, if you watch the TV for an average of 4-6 hours a day, then a screen with a half life of 30,000 hours will last you over 16 years -- by which time we'll probably all be watching holograms!
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What does LG TV factory reset do?

This process will remove all customized TV settings, including tuned channels, recordings, custom input names, installed applications, stored Wi-Fi passwords, etc.
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