Lately, most LG Smart TV users have reported that their TV keeps turning off. It must be quite frustrating when your LG TV turns off automatically while streaming your favorite movies or TV shows. The core reason might be the Update related issues, overheating issues, power supply or cable issues, and more. Most of you might have fixed the persisting issues with your TV temporarily. However, we found some of the working fixes that will help you fix if your LG TV keeps turning off issue permanently.
Why My LG Smart TV Keeps Turning Off
Here are some of the reasons why your LG Smart TV keeps turning off:
- Overheating issues
- Power supply issues
- Technical bugs on your TV
- Hardware issues with the TV
How to Fix If LG Smart TV Keeps Turning Off
The following are the troubleshooting measures you need to follow to fix if your LG Smart TV keeps turning off.
1. Turn Off the Sleep Timer
The first thing you have to check is the Sleep Timer on your LG Smart TV. In case you have turned on the Sleep Timer and forgot to turn it off. It might be the reason why your LG TV automatically turns itself off every 2 hours. So, go to Settings on your TV and check if you have enabled the sleep timer. Here are the steps you need to follow to do the same:
1. Go to Settings on your LG Smart TV.
2. Hit the General tab.
3. Navigate to System and choose the Time & Timer option.

4. Select the Timers option and turn off the Sleep Timer.

2. Check the Power Supply
Make your LG TV didn’t receive enough power supply. In rare cases, these types of issues will occur at our home. Because of this issue, our LG Smart TV will not turn off properly and keeps turning off itself. Actually, we can’t control the power supply issues at our home. So, you need to wait till the issue gets sorted out from the technical end.
3. Turn Off Your LG Smart
Your LG TV might have overheated that’s why it keeps turning off every 5 seconds. To fix this issue, you need to turn off your LG TV and unplug the power cord. After that, wait for up 30 minutes to let your LG Smart TV cool down. Later, turn on your LG Smart TV and check if the issue still persists. In case, the issue with your LG Smart TV is still not fixed, move to the next troubleshooting method.
4. Clear the Cache on your TV
There may be tons of cache stored on your LG Smart TV and that may be the reason why your TV keeps turning off. To fix this issue, you need to clear the cache stored on your LG TV immediately. Here are the steps you can use to clear cache on your LG TV. There is no specific feature available to clear the cache stored on your TV. So, close the apps running in the background while your TV is turned on and restart it. This will clear all the cache stored on your LG TV.
After the process, check if the issues are fixed on your LG Smart TV. If the issues with your TV are not yet fixed then, move to the next troubleshooting method.
5. Update LG Smart TV
Maybe your LG Smart TV is running on an outdated version. Due to this issue, your LG Smart TV may be turning off every 4 hours. You can simply fix this issue by updating your LG Smart TV to the latest version. This method is very tricky as your LG TV needs to be turned on to perform this function. So, in case you won’t be able to update your LG Smart TV, move on to the next troubleshooting method.
To update LG TV, go to Settings > General > About This TV > Check for Updates. Based on your internet connection speed, the update will be done in a couple of minutes.

6. Reset your LG Smart TV to Factory Default Settings
The process to factory reset your LG TV is a quick process. But you have to do this immediately once your LG TV gets turned on. Once you reset your LG TV, all the settings you saved on your LG TV will revert back to their default. Even, all the apps and data stored on your LG Smart TV will get removed. Once you are done with this process, check if you still face problems with your LG TV.
To reset LG TV, go to Settings > General > System > Reset to Initial Settings.
Note: If you don’t have a remote to control your TV, you can reset your LG Smart TV without a remote.

7. Remove the External Devices Connected to Your TV
Maybe the external devices connected to your LG TVs like Firestick, Xbox, and speakers may be the reason why your LG TV turns off by itself and won’t turn back on. So, disconnect the external devices connected to your TV and turn off the HDMI-CEC option. Here’s the one-step process to turn off the HDMI-CEC on your LG TV:
Go to the home screen of your LG TV and press Settings on the remote. Then, go to All Settings > General > SIMPLINK> Turn off.
8. Contact Customer Support
In case all the troubleshooting methods we have given in this article fail, you can contact the Customer Support of LG Smart TV to fix the persisting issues with your TV. The expert team will guide you to fix the issue. Even though we have personally contacted customer support and got ourselves the working fixes, you can still try it out.
If you still haven’t found the fix for your LG Smart TV, repair it. Otherwise, you need to buy a new LG Smart TV. So, if you are to buy a new TV for streaming and gaming, here are some of the best LG Smart TVs we have hand-picked for you.
Frequently Asked Questions
Yes, you can easily fix the issues with your LG Smart TV by yourself.
You need to clear the cache if you want to fix the freezing and turning off issue with your LG Smart TV.
Update the Netflix app and LG Smart TV to fix when your TV keeps turning off when trying to open the Netflix app.
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