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Why is my LG TV overheating?

As the owner of an LG TV, I was recently frustrated to discover that my TV was overheating. After doing some research and testing, I have come to the conclusion that there are a few potential causes for this problem.

In this blog post, I am going to share my findings and the solutions that I discovered to solve the overheating issue with my LG TV. Hopefully, these tips and tricks can help others who are also experiencing this issue.

While there are many ways to prevent or decrease the risk of your LG TV overheating, ensuring the vents are clear, removing airflow obstructions, and keeping the television away from any heat sources are a few surefire ways to help the problem. Also, placing the TV in a location where plenty of airflow exists is a good idea.

Make sure the brightness is at a reasonable level and not turned up to the maximum setting.
Ensure that the vents are clear of obstructions and there is sufficient airflow.
Keep the TV away from any heat sources.
Place the TV in a location where plenty of airflow exists.
Perform regular maintenance, such as dusting and cleaning the vents and screen.
Move the TV to a cooler location away from direct sunlight.

Why is my LG TV overheating?

Below are common reasons why LG TVs will overheat.

Brightness turned up

Having the brightness turned up to the maximum setting on the television and letting it sit for hours on end is a great recipe for overheating. 

The brightness is controlled by the backlighting components, so the longer it’s running at the maximum setting, the hotter the hardware will become and the more likely the LG TV will be to break.

This is also an effective way to minimize the life cycle of the television and likely must purchase one every four years.

In order to maximize the lifespan of your TV and to reduce overheating issues, it would help to lower the brightness.

Moving your LG TV to a spot without much direct sunlight can help in lowering how bright you need the TV to be.

Clogged vents

The TV has vents so that hot air can flow out of the tv and cold air can flow in. Vents can easily be clogged by dust or debris that’s covering the holes. 

Without proper maintenance, as time passes, dust will build and eventually block the inbound or outbound venting holes. 

In addition, placing items that cover venting on any electronic equipment is never a good idea.

Inefficient airflow

Even if you’ve dusted and cleaned the vents, if your TV is in a confined location with little-to-no airflow, then you’re still going to have a problem. 

Televisions are designed as a system to suck in cool air and blow out hot air in an endless cycle during use.

If either the inbound or outbound vents cannot do their job, the system will overheat and fail.

Proximity to a heat source

Given that televisions can emit a lot of heat, mostly due to the backlighting componentry, you don’t want to add to the amount of heat entering the system by placing your television in a hot area, like near a window or a heater. 

Adding heat to an already hot system is a recipe for disaster that can easily be avoided.

Read more: Why does my LG TV have blue lines?

What to do if my LG TV says it is overheating?

Below are things you can do if your LG TV says that it is overheating.

Step one: immediately turn off the power

If your LG TV is telling you it’s overheating, then you must turn off the power immediately. Experts report turning off your device for at least 20 minutes to allow it to cool down.

Step two: check the above causes of overheating

Confirm that the brightness is at a reasonable level (once the TV has cooled down), no vents are blocked, it’s not near any heat sources, and there’s sufficient airflow. 

Step three: check for recalls

If you don’t suspect any of these warning signs to be an issue, then the next step is to check for recalls. Some LG TV models are known to overheat, so unfortunately your model could be one of them.

Step four: contact technical support

If you notice your model is on this list or isn’t listed but you continue to have problems, then contact technical support for additional assistance. 

They can walk you through the process to dig deeper into the root cause or provide you with a replacement if necessary.

How to prevent a LG TV from overheating

Below are options you have when preventing your LG TV from overheating in the first place.

Ensure efficient airflow

Ensuring efficient airflow to and from the television can be accomplished by placing the TV in an open area. 

In addition, one of the functions of a wall mount is to create a gap between the unit and the wall to always ensure proper airflow.

Ideally, you would also place the TV in a spot where there is not much direct sunlight.

Keep the brightness at the recommended setting

This is probably the easiest solution on this list, simply keep the brightness setting at the recommended level. 

As mentioned previously, having the TV set to a high brightness level will significantly increase the amount of heat being generated and reduce the lifespan of the TV.

The default setting that is available when you turn on the television is where your brightness should always sit. That means you literally don’t have to do anything except enjoy your shows in the current brightness.

Move the TV to a cooler location

By moving your television away from the window and out of the sunlight, you are eliminating an unnecessary heat and humidity source. 

Place the TV in the middle of the room which should be at or around room temperature and isn’t impacted by the outside weather.

Perform proper maintenance

Like with any piece of electronic component, you should perform proper maintenance on your LG TV. This includes regular dusting of the vents and other areas that have gathered material and cleaning the screen with a microfiber cloth. 

To clean, you can use a hand duster for the vents or compressed air, which blows dust from the holes. When cleaning the screen with a microfiber cloth, never use harmful cleaning chemicals which can damage the components.

Read more: Why does my LG TV have dead pixels?