LG TV Black Screen of Death: Causes & Fixes

It’s common for Smart TVs to have screen issues at some point. Flickering, brightness, and picture mode problems are some of the leading causes. However, the Black screen tends to be getting more prevalent nowadays.

Black screen occurs when the TV is producing sound but not displaying any picture, and many LG TV owners do complain about this problem. You’re not using a radio, so it’s unacceptable if your TV only produces sound without pictures.

In this article, we’ll discuss some possible causes of the black screen TV problem and easy DIY fixes when to solve it.

lg tv black screen of death

LG TV Black Screen of Death: Possible Causes

When you turn on your LG smart TV, and it doesn’t display pictures, and the screen is black, it means there’s a black screen of death problem. In some cases, the TV remote won’t work either. However, this problem is mainly caused by software and hardware issues.

Specifically, your LG TV can be experiencing the black screen of death issue due to the following reasons:

  • Power failure
  • Hardware problem
  • Loose or faulty HDMI cables
  • Outdated TV firmware
  • Software glitches

LG TV Black Screen Of Death: How To Fix

Diagnosing the black screen of death requires properly inspecting some hardware and software components. Below are troubleshooting methods you can follow to aid your inspection.

1. Check the Power Source

When your LG TV is receiving an adequate amount of power, it might not load pictures on the screen correctly. Your TV frequently changes the brightness level, so you can’t view images, or it shuts down completely.

You can try to use another power outlet to be sure the power source is not the problem. Simply changing and plugging your TV into a different power outlet can clear the black screen problem.

2. Power Cycle Your TV

People have used this method to solve the black screen of death problem. It’s a standard method, and it simply means rebooting your TV. You can reboot your TV with the simple steps below

  • Turn off your TV and disconnect the cord from the power source
  • Wait for about 5-10 minutes
  • Now replug your TV and switch it on
  • Press and hold the TV’s Power button for 5-10 seconds

You have rebooted your TV, and the problem should vanish. If otherwise, You can also try a different rebooting tips as follows

  • Press the Power and Volume Down key buttons simultaneously.
  • Then disconnect the TV for some minutes
  • Plug the TV back and restart it.

Follow the next troubleshooting method if the problem is not yet solved.

3. Disable Energy Saving Mode

Your LG TV has an Energy Saving mode installed in it. The feature reduces the energy consumption of TV and tends to reduce the screen brightness too low while saving energy.

You should check if the saving mode is enabled on your TV and disable it with these simple steps:

  • Press the Home/Menu button on the remote
  • Jump to the Settings option
  • Select Advanced and choose Pictures
  • Select Energy Saving mode and disable it

4. Disable Standby Mode

If the TV Standby Mode is activated, it can also cause the black screen of death. The Standby Mode is a feature that protects the screen from problems by turning it off when it’s not in use. The Mode is not a glitch or bug, but it activates when you don’t use your remote and TV for some time and turn the screen blank. You can disable the Standby Mode with the following steps:

  • Press the Menu button on the remote
  • Jump to the Settings option and select it.
  • Click on Sleep Timer
  • Then turn it off.

5. Change Picture Mode

The LG smart TV has several picture modes. However, Some picture configurations such as brightness and contrast are pre-adjusted if you check the picture modes.  So, if you have a black screen or brightness problem, you can change between different picture modes.

  • Navigate to Settings options
  • Choose All Settings and click on Picture Mode Settings
  • Change the Picture Mode to Standard
  • Reduce the backlight between the range of 10-30
  • Change the brightness level to 50

These settings should solve the black screen of death problem. If the problem persists, move to the next troubleshooting method.

6. Check All Input And Output Cables

The HDMI cables and other cables you use to connect your TV with external devices should be connected correctly. If there’s a wrong connection, the output won’t display, and the screen will be blank. You should inspect the cables thoroughly and ensure they are appropriately connected.

  • Remove these cables
  • Inspect them for damages or faults. If they are, then replace them
  • Reconnect the cables and tighten them secretly.
  • Ensure the connections are not loose.

7. Update the TV’s Firmware

You should also check your Tv’s firmware to ensure it’s updated to the latest version. Outdated firmware can cause pictures not to load and result in a black screen issue. It happens when the TV and the input source are not compatible. The following steps will guide you in updating your TV’s firmware.

  • Go to Settings, Select All Settings, then Support.
  • Choose Software Update
  • Click on Check for Updates
  • Download and Install the update

When the download is completed, please turn off the TV for a few seconds, then turn it on again to install the update.

9. Check for Backlight Issue

If the problem isn’t solved, perhaps your TV backlight is faulty. If the TV screen is black, but you can hear a sound, then flash a torchlight on the screen and check if you can see pictures. If you can, that means the backlight is defective. You’ll need to contact a trained professional for help.

10. Factory Reset Your TV

The factory reset should be the last step of your diagnosis. It removes all stored settings such as passwords, user-id, and linked accounts because it returns the TV settings to how they came from the factory. It can solve the black screen issue and can be done with the steps below:

  • Go to Settings and Select All Settings
  • Choose General
  • Click on Reset To Initialize Settings
  • Select Ok, and the TV will start the resetting process.

After completion, your TV black screen of death problem should be solved.

11. Contact Customer Support

If the problem isn’t solved after trying the above troubleshooting tips, you should consider contacting LG customer support service. They will find reasons for this problem and how to fix it.

Author

  • Keith Rowland is a seasoned electrician who enjoys fixing faults in home appliances and electronics. Being someone who loves writing, he shares on this blog, DIY tips on how to fix various devices within a few minutes. When he's not fixing stuff or writing a new blog post, he's playing with his two cute girls and their mom.