TV screen going black, dead TV screen, and automatic power-off of LG TVs are some of the concerns we have heard from LG TV users.

It can be not very pleasant watching your favorite movie or documentary, and suddenly the power goes off of your TV. Yet, thankfully, the fixation is possible with little effort.

How to Fix LG TV Black Screen

There could be many reasons for the deadly screen of LG TV. Some common ones are:

  • Incorrect cables
  • Loose or damaged cables
  • Sleep timer or energy saver mode activation
  • Faulty HDMI, etc.

Nevertheless, let’s discuss some frequent issues that cause this big trouble and then find out how to fix the LG TV black screen without professional assistance.

Poor/Faulty Connection

Let’s start with ensuring the power sources are correct and not at fault.

All the cables are inserted properly at the right input ports, and the third-party source is turned on. If you don’t find anything suspicious, let’s reboot the LG TV and try to fix the problem.

Reboot the TV

Remember, when something goes off with our smartphones, we instantly restart it. Yes, the same thing can happen with all the smart devices, including your LG TV.

Try the power cycle technique if the screen starts to lag, flicker, or turn black.

  1. Turn off the TV and wait until all the lights are off
  2. Unplug the power cable from the socket. Check the wires if they need replacement.
  3. Wait for a few minutes
  4. Plug the cable back into the different power outlet
  5. Turn the TV on using the panel or remote control


It should fix the issue if it is nothing serious.


Firmware Updates

Do you see a power indicator light on your LG TV’s front panel? If yes, it gives you a hint to update your TV with the latest update.

Yes, a software issue can cause a black screen, forcing you to update for smooth TV watching. The latest firmware won’t harm the TV, and it is recommended to keep the smart devices up to date to save yourself from such troubles.

Here’s how you can check for firmware updates.

  • Go to About, followed by the TV settings
  • Select network/Device updates
  • The next window will show you the available updates
  • Install and continue streaming TV


It should fix the issue, but if you still face a black/dead screen, let’s jump to the next possible reason.

Backlight Issues

If you have an LCD screen, it could be the root of your constant black screen. The backlight illuminates the image on the screen, and if it stops working or gets damaged, it will definitely cause a black screen.

So, the best thing to do if the backlight is the problem is:

  • Grab a flashlight and point it to the TV screen
  • Go closer and check if you can see any images on the TV with the shining flashlight
  • If you can see images with the flashlight, it indicates the LCD is damaged, and you need a replacement


Bottom Line

We have discussed many possible reasons behind the LG TV’s black screen, and the easiest and working solution is turning off the TV, pressing the reset button for a few seconds, and turning it back on.

We have briefly discussed other possible reasons and solutions for you to check out and apply accordingly. I hope it will help you learn how to fix the LG TV’s black screen and make you watch the TV hassle-free.

Happy Streaming!