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How to Fix LG TV Red Light Blinking | Reasons & Fixes

Use Troubleshooting Methods to fix the Red Light Blinking Issue on your LG TV

It is quite irritating when you are trying to watch your movie or show, and the red light starts blinking out of nowhere under your LG TV screen. You may think that a serious issue has occurred on your LG TV. However, not all problems with your LG TV are related to hardware, and you can try some handy fixes to resolve minor issues. In this article, we have provided some quick fixes you can try to stop the red light on your LG TV. These fixes will also help your LG TV work faster without lagging, remove recently stored caches on your LG TV, fix inappropriate pictures/sounds, and more.

Reason For LG TV Red Light Blinking

The Power button on your LG TV blinks red with no picture on the screen, indicating internal damage that requires professional service. However, we have provided some other possible reasons which will help you to identify the perfect troubleshooting method and solve it by yourself.

  • LG TV overheating because of the continuous streaming.
  • Getting improper or fluctuating voltage.
  • Connected your LG TV with a damaged Power Cable/Slot.
  • Receiving input through wrecked or not working HDMI Port/Cable.
  • Using outdated LG TV Firmware.
  • The connected device malfunctioned.

Troubleshooting Methods to Fix LG TV Red Light Blinking

Before going for the paid technical service for your LG TV, you can try the below troubleshooting methods to stop the red light on your LG TV.

1. Power Cycle Your LG TV

Most customer complains that their LG TV blinked the red light 2 times and turned off automatically. In such a situation, you may find it difficult to switch on your TV back. The reason is sometimes your LG TV may experience minor power glitches while connecting it to the Power cord. Soft resetting is an optimal solution to bring your LG TV back to normal. It even sorts out the temporary bugs and malfunctions on your LG TV. To resolve the issue, you can do the soft reset on your LG TV by doing the below procedure.

1. Press and hold the Power button on your LG TV’s panel for 10 seconds.

Press the LG TV power button for 10 seconds.

2. After your TV turns off, unplug the LG TV from the power wall.

3. Wait for 5-10 minutes and restart your LG TV.

Let your LG TV run for a few minutes to check whether the red light stopped blinking or not.

2. Change the Power Slot/Cable

It is the most common fix which helps the user to stop the red light on your LG TV. If the power cable connecting your TV to the slot gets damaged, you will receive the indication through the red light. The first thing you need to do is when you see the red light on your TV, unplug it from the power slot. Check the cable for any visible damage. If you find any damage, connect your TV to another power slot. If your TV stops blinking red light, the problem is with your power slot. Change the slot, and you are good to go.

If the red light still does not stop blinking, the TV cable may be damaged internally. In such a case, changing the cable is the only solution.

3. Check the Power Supply

You need to have a proper supply to use every electronic device. If you are using your TV while getting improper voltage, it may cost you more than you expect. So immediately disconnect your TV and check the power voltage. If you are not getting a proper power supply, correct the issues and try connecting your TV again. Since the irregular power voltage level is the main cause of the red light blinking without the picture on your LG TV, these fixes can resolve the issue.

4. Check the HDMI Cable/ Port

Sometimes your LG TV can’t receive the actual input if your HDMI cable or port on LG TV is damaged. To confirm the issue, try using a different cable. Still, the red light is not stopped blinking. Check your LG TV’s HDMI port for any visible blockages or damage. If the blockage is removable, remove it using the soft objects. If the port is damaged, you need to change the HDMI port on your LG TV.

5. Update the LG TV

Using outdated firmware on your LG TV may be the cause of the red light blinking four times. LG TV releases updated software occasionally. It is necessary to have updated software on LG TV while using. Additionally, every software update on LG TV comes with additional benefits like new features, bug fixes, and more. If you have not updated the software on your LG TV, update it through Settings. To avoid updating it manually every time, you can enable the auto-update feature. Below you can find the steps to update the firmware on your LG TV.

1. Turn on your LG TV and connect it to a stable Internet connection.

2. Launch the Settings and navigate to the General menu.

3. Now select the About This TV option from the menu list.

Click on the About This TV on LG TV.

4. Then click on the Check for Updates.

5. If any update is available, click on the Yes button to update your LG TV.

6. Factory Reset LG TV

We suggest you factory reset if none of the above fixes works out. Factory reset will remove all customized settings and installed apps from your LG TV. It will revert back your LG TV to the default settings. Moreover, you will lose all the personal information stored on your LG TV. However, the factory reset will help you to resolve all major issues, including the red light flashing. You can do the factory reset on your LG TV by following the given steps below.

1. Press the Home button on your remote to launch the Home page.

2. Click on the Settings icon in the top right corner.

Click on the Settings icon on your LG TV.

3. Navigate to All Settings and go to the General option.

4. Then click on the Reset to Initial Settings button.

Reset to initial settings to stop red light blinking.

7. Contact Support/ Technical Service

Still, the red light is blinking after trying all the troubleshooting methods given above. Don’t try any other hard fixes by yourself. You may end up with your LG TV unserviceable. Contact LG TV customer support for technical assistance. They will help you with other troubleshooting methods which may help.

Tired of trying? The final best option is to hand over your LG TV to the repairing in LG Service Centre. They will solve the issues with any of the LG TV’s hardware, such as the motherboard, circuit board, etc.,


Why does my LG TV blink 3 times and turn off?

It is because of the faulty circuit board on your LG TV. To avoid the issue, change the LG TV capacitor/ circuit board after 3 years.

How to reset LG TV when the screen is black?

Unplug the TV from the power slot, wait for 5-10 minutes, and plug in the TV back.

How to Fix the no signal issue on LG TV?

Change the HDMI input and connect the device properly to your LG TV.

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