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Why Does My LG TV Keeps Turning Off? [13 Effective Solutions to Fix It]


You turn on your LG TV to enjoy your favorite show. Everything’s fine. The show is getting intense, but all of a sudden, your LG TV turns off. You power on the TV, but it keeps turning off. Dealing with these situations can be extremely frustrating. You might be completely clueless about the factors behind the issue. So how can you resolve it?

You should start by checking your remote and batteries. If they are working fine, then opt for another fix. But what if none of these methods work? Is there a solution for that? If you’re also super annoyed by this problem then you’ve come to the right place. In this article, you’ll learn some effective ways to solve the issue of your LG TV turning off.

So keep reading.

13 Effective Methods to Stop Your LG TV Keeps Turning Off

Finding one reason behind your LG TV not working can be extremely tough. But there are some fixes to ensure your LG TV runs smoothly. Let’s help you get back to the movie night. Here are the 13 most effective fixes.

Read: Pandora on Hisense TV

Analyze the Power Cord And Socket


The most common reason your LG TV turns off is a poor power cord and socket. First, check if the power cord is plugged in properly. Double-check to ensure the power cord is firmly plugged into the wall socket. But what if it’s not plugged in properly?

Then this explains why your TV keeps turning off. Check the cord and see if it’s damaged. A damaged cord causes malfunctioning and issues while running your TV. Also, check for any excluded or frayed wire.

Remember, whenever you’re checking for damage, the first thing you need to do for safety is to plug the TV switch out. If there’s any smell or damage, immediately get help from an electrician. Replace the cord with a new one if it’s damaged beyond repair. You should also check the power socket. Here’s how you can do it.

  • Plug the TV into the power socket.
  • Plug electrical devices such as electric irons or kettles in the socket.
  • Turn the electrical appliance to its maximum level. If it works perfectly that means the power socket is completely fine.

Reset The TV

Reset is another way to fix the issue you’re facing with your LG TV Keeps turning off every 5 seconds. You might wonder what the significance of a reset is. With a reset, you reduce any bugs or glitches that might hinder your TV’s functioning. Here’s a perfect way to reset your LG TV.

  • Power off the TV with the Power button.
  • Now, plug the power cord out of the socket for at least a minute.
  • Plug the TV back and power on your TV using the Power button.

Inspect Your TV Remote

Sometimes, power cords and TV reset don’t solve the problem. Then what should you do? You should inspect your TV remote.

The remote might send incorrect signals, causing your LG TV to turn off by Itself and won’t turn back on. To find out if your remote is faulty, point it away from the TV. If that resolves the issue, then replace the remote batteries.

Deactivate Quick Start +

If you deactivate the Quick Start + function, your issue might be fixed. But often, users don’t know how to do it. Here’s a step-by-step process you should follow.

  • Press the Home button on your remote. Click on Settings.
  • Find the option General and then choose Quick Start + in the drop-down Menu.
  • Tap on this option and click on Off.

However, the Quick Start + function is not available on all TV models. Make sure to read the manufacturer’s manual to check if it is available on your LG TV.

Eco Mode is On

LG TV also has another feature known as Eco mode. Through this, many of your controls are operated automatically, which saves a lot of power. But sometimes, these settings can exceed the limit. To disable Eco mode, follow this process.

  • Press the Home/Start button on the remote and go to settings.
  • Choose General and then click on Eco Mode.
  • If it’s on, then turn it Off.

Check The HDMI Connections

Sometimes, when you’re updating or adjusting power states, external devices send false signals. When these signals are sent to your TV, there might be some unexpected power cycles.

The first step to solving this problem is ensuring all the HDMI cables are correctly connected. Disconnect all external devices from the console to the sound bars. You should also turn off the HDMI CEC function on your LG TV. Some LG TVs also have this feature, known as SimpLink. This feature allows the TV to automatically change input or turn off based on devices connected via HDMI. Here’s how to turn off SimpLink.

  • Go to the Menu and navigate to the General option.
  • Click on HDMI settings.
  • Now click on the SimpLink option and turn it off.

Disable the Power Off Timer

Whenever you notice this problem, the best thing to do is turn off the power-off timer. Due to this, the LG TV turns off at a specific time of the day. It doesn’t matter if you’re watching TV at that time or not; the television will automatically turn off.

You might have accidentally selected the power-off timer, or someone else did. But don’t worry; you can turn it off yourself.

  • Look for the Home button on your remote and press it.
  • Go to Settings and click on General. Then you should choose Timers.
  • Click on Power Off Timer. Tap on it to turn off this option.

Clear All The Cache

Have you tried everything so far? Yet, no luck? Then, you should clear all the cache.

The TV cache is basically a temporary storage area that stores data. However, with the passage of time, the caches can become corrupted or outdated, affecting the TV’s performance. Here’s how to clear the cache.

  • Press on the Home button on your remote and tap on Settings.
  • Go down the road and click on the Edit App List option.
  • Check every app and clear the cache for each of them.

Properly Update The Software

Regular software updates are necessary because they play a crucial role in increasing the safety of your LG TV. They also improve the software’s stability and remove all outdated features.

Follow this process to update the software.

  • Press the Home button on your remote and coffee Settings.
  • Go to Support or General. Choose About This TV.
  • Click on Software Update, which is in the drop-down Menu.
  • Now tap on Check For Updates.
  • If there are any updates, click on Update to upgrade your software.

Factory Reset Your TV

A factory reset is a common solution when your LG TV keeps turning off by Itself. But there’s one thing you need to know: Factory resetting will remove all the personalized settings. What does that mean?

This means that all the downloaded apps and customizations will be the default settings. That’s why, before doing a factory reset, you should save backups of your accounts onto cloud storage. To do a factory reset, follow this method.

  • On your remote, press the Home button and click on Settings.
  • Go to General.
  • From the drop-down Menu, choose Reset To Original Settings.

Terminate Overheating

Overheating is one of the most ignored problems that lead to TV malfunctioning. It is often due to bad ventilation and internal errors.

It can be due to software, hardware, or both problems. The bad news is that these issues are not easy to resolve. However, the good news is that you can find a solution by contacting the manufacturer.

TV Is Damaged Or Defective

You might be trying many solutions, but none of the fixes will work if the issue is inside the TV. It usually happens because of a failed motherboard. If the motherboard isn’t working properly, none of the systems will work. It indicates that the TV’s lifespan is about to end.

When you purchase your LG TV from an authorized retailer, you get a three-year warranty. However, it may vary depending on the TV model. If your TV is under warranty, you can get the motherboard repaired or replaced.

Contact Customer Support

You’re at the end of the list to solve LG TV turning off. Then, the only effective resort is to contact LG customer support. They’ll schedule your appointment with an expert technician to find the solution. To explain the issue, provide all the details related to the issue and your TV model. They might provide better suggestions for your TV.


Q: Why Does My LG TV Keep Turning On By Itself?

A: LG TVs don’t turn on for various reasons. The most common reason is that users often set the timer accidentally. To check this, go to the Settings page and check if the timer is on. If that’s not the case, then the software might have some issues. You can eliminate them by resetting your LG TV to factory defaults.

Q: How Can I Turn My TV on Without The Power Button Or The Remote?

A: For this, you need to install the LG ThinQ app on your device, preferably a mobile phone, and connect it to your television. Once you do this, you can easily control the TV without a remote.

Q: How Do I Turn Off The Red Standby Light On My LG TV?

A: To turn off the standby light on the LG TV, go to the settings menu Advanced and General. Here, you can find the switch to turn off the Standby Light.

Q: How Can I Prevent My LG TV From Shutting Off?

A: To minimize the chances of your LG TV shutting off, ensure it’s properly ventilated. The outlet must be in its optimum condition, and any poor power supply cords must be replaced.

Q: What Should I Do If My LG TV Won’t Turn Back On?

A: If your LG TV doesn’t turn back, the first thing you should do is check the power cord. Make sure it’s plugged in properly. Unplug the outlet for at least 60 seconds and then plug it back in. This will reset the power supply. If it doesn’t work, contact LG customer service.


Remember that turning off the LG TV on its own is not just to frustrate you. Instead, it indicates a problem that can be easily resolved if you take measures at the right time. The factors behind this problem might be different. That’s why we have provided a long list of fixes. You can identify the issue and find the best solution using the methods mentioned in the list. Want to learn more about it? Check out our detailed articles and free guides. If you have any questions, reach out to us directly via email.

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