How to Fix Horizontal Lines on TV: 5 Easy Tips and Tricks [Video]

Television; is the one gadget we all cannot seem to do without. But have you ever wondered how to fix horizontal lines on TV?

Is there a horizontal line running across the screen of your TV? If your TV has horizontal lines, it is caused by faulty gate drivers on the panel. So how can you fix this?

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These lines extend across a TV screen horizontally and are so named because they line up with the horizon.

And they can be caused by a number of things ranging from faulty Software to loose internal wiring. Mechanical damage to the display can also cause it to appear.

Other very common reasons these lines may appear on your TV screen include debris ( that occurs when the rear of the screen attracts dust, hair, etc.) or some physical damage to the TV.

Regardless of the cause of the lines on your TV, the truth is, it can be frustrating and annoying to live with, which is why knowing how to fix horizontal lines on TV should be a necessary skill.

In this article, you will learn the causes of horizontal lines on TV and how to fix them, and other related screen problems.

How to Fix Horizontal Lines on TV

How to Fix Horizontal Lines on TV
How to Fix Horizontal Lines on TV

This article will provide you with tips and tricks that can serve as quick solutions on how to fix horizontal lines on TV.

Recognizing the extent of the damage is the first step to removing horizontal lines from the screen.

Displays are connected to circuit boards that drive the rows of LCD pixels, and any damage to these cables and circuits can disrupt the signal and cause horizontal lines. The use must be secured correctly both at the external device and the TV.

You can fix horizontal lines on TV by following these simple tips:

Tip 1: Turn on and off the TV

When trying to learn how to fix horizontal lines on TV, the first thing to know is that you cannot do anything until the Television has been turned off,  unplugged from the power source, then plugged back in, and turned on again.

Turn the TV off, unplug the power cord, and wait for 2 minutes. Plug the power cord back in and power the TV again.

Tip 2: Check the Video Cables

  1. Check for loose connections between the panel and the circuit boards.
  2. Ensure the T-Con (Timing Control) Board is in good working order.
  3. Connected sources, such as Blu-ray players or game consoles, should have the video cables removed.
  4. Connect them afterward. If the stripes persist, try a different approach.

Tip 3: Switch between Sources.



    to make sure there are no loose connections or accumulated dust.
  1. With this feature, you can switch between TV programs and the video channels of the connected sources with your remote control.
  2. Is the screen of your device filled with only stripes? Adjust the device in the device’s menu to match the TV’s resolution.
  3. Check the manual for the exact resolution.

The problem could be from your signal or decoder if the TV doesn’t respond after the above steps. In which case, you will need to contact your cable provider immediately.

Tip 4: Update the Software.

To determine whether the problem lies with a particular piece of hardware, consult the user manual.

Often, image errors are caused by outdated Software. For this reason, you should regularly update the Software on your Television. How you do this varies from Television to Television. Check your TV manual for more information.

Tip 5: Reset Your TV to the Factory Settings.

TVs can sometimes have trouble processing certain image settings, resulting in image errors. And if all the above tricks on how to fix horizontal lines on TV fail, it may be time to take your TV back to factory settings.

This resets the Television, and all settings will be restored to their original state.

What causes horizontal lines on TV screen?

How to Fix Horizontal Lines on TV

Before we discussed the tips on how to fix horizontal lines on TV, we mentioned that understanding the root cause of those lines on your Television is a great place to start.

A TV screen can develop horizontal lines due to overheating or physical damage to the monitor and cable. Out-of-date device drivers and operating systems can also cause line problems caused by conflicts between the screen and selected screen resolution and refresh rate.

In addition, when any part of a TV’s display becomes damaged, corrupted, or defective, lines will appear on the screen. Several TV parts can cause horizontal lines to appear, including the LCD panel, T-Con board, and row drivers.

Having problems with these parts can be caused by many things, and the appearance of your lines can tell you quite a bit. In most cases, you will start to experience these issues because one of these parts is damaged.

The T-Con board may cause horizontal colored lines. There may be a problem with this part of the TV if other parts do not seem to be the problem.

If TV images appear distorted (horizontal lines) on the bottom section of the screen when viewing TV but not on the home menu or streaming apps (Netflix®, Amazon PrimeTM, etc.),

To resolve this unwanted behavior, follow these steps:

Step 1: Restart the TV

Restart the TV using the remote control

Step 2: Press and Hold

Press and hold the power button at the back of your TV to restart it, or follow the steps below.

Step 3: Turn off the TV

Press and hold the POWER button on the supplied remote control for about five seconds to turn off the TV.

Step 4: Wait for the TV to Turn On

After one minute, the TV automatically turns off and then on again. Press the POWER button on the remote if it doesn’t turn on.

Step 5: Check to see

See if it resolves the issue.

How do I fix horizontal lines on my Samsung TV?

How to Fix Horizontal Lines on TV

Knowing how to fix horizontal lines on TV generally is one thing; knowing how to fix this issue on a Samsung Smart TV is another.

If your Samsung smart TV has horizontal lines, there may be a problem with the input or display.

You will find instructions for resolving this issue. Furthermore, the source is also a crucial determinant of what the TV displays.

The Samsung smart TV may come to mind when it comes to the smart TV’s premium quality display. The brand is the best in terms of quality and innovation.

There are times when the horizontal lines on the Samsung TV screen indicate that the display has been damaged or is becoming black. Samsung TV horizontal lines on the screen can be easily fixed, despite the difficulty of the issue.

Causes of Horizontal Lines on Samsung TV

To understand what you are dealing with, you need to know what caused the problem in the first place. We have listed down below some of the most common causes of horizontal lines on Samsung TV screens:

  1. An input cable not properly connected between the smart hub and the smart TV can cause this issue. The picture isn’t displayed, and the lines appear on the screen instead. However, re-plugging the cable will resolve the issue.
  2. An incompatible resolution results from an image size that differs from the smart TV’s resolution. Too many large or small images also cause lines to appear on the screen. The problem can be solved by simply changing the picture resolution.
  3. If your smart TV has not been updated for a while, you are more likely to see lines. Outdated graphic drivers can’t process a picture with the newest or highest resolution. To resolve the issue, update the System software.
  4. A damaged or broken screen can have lines on it due to a gate driver failure. A panel is affected. Lines appear on the damaged part of your TV screen when it is broken or damaged.

How to Fix Horizontal Lines on Samsung TV

How to Fix Horizontal Lines on TV

If you want to fix Samsung TV horizontal lines on a screen, you must apply these instructions step-by-step. In addition, the underlying methods are applicable to every Samsung Smart TV model. You can easily try the following methods:

Method 1: Verify the Lines Are Permanent or Moving

Verify whether the lines on the screen are moving or fixed. If the lines on the screen move, it means the HDMI cable or DVD cable is not connected.

In this case, disconnect and reconnect the HDMI cable on both the smart TV and the hub. If the issue persists, disconnect and reconnect the HDMI cable on the smart TV.

If the lines on the screen indicate that the LCD panel is damaged, you must replace the panel.

Method 2: Perform Picture Test

If the first method did not fix the damages, use this method. A picture test is a feature on Samsung smart TVs those self-diagnoses the screen problem and provides a positive conclusion. This feature enables smart TVs to run a troubleshoot for display-related issues.

  1. Press the home button on the TV remote to open the smart hub menu. Select settings.
  2. Go to the support tab and then select device care.
  3. A quick scan will now be performed on the device. Please allow a few minutes for the scan to complete.
  4. After it has been completed, click on self-diagnosis at the bottom.
  5. Select the picture test and select OK with the scroll across the key.
  6. Check if the error persists.

The first step in troubleshooting is determining the extent of the damage. Once you have checked for damages, how do you remove the green line from your TV screen?

This article provides solutions to getting rid of the green line on the TV screen if you have external monitors or televisions, re-seat any video input cables, or consider replacing them with new ones.

However, should the problem linger, this might be an indication of a bigger internal problem that only a few consumers are capable of fixing themselves.

There are online instructions for disassembling monitors, laptops, and televisions to replace damaged parts. Still, the most recommended course of action is to send it to the manufacturer for a warranty-advised repair.

In the absence of a warranty, you may want to consider replacing the old damaged device with a new one, as it is usually the cheapest solution.

LCD panels with lines indicate that the LCD screen or screen ribbon cable needs to be replaced, components that can cost hundreds of dollars.

LCD screens produce specific colors and images by altering the colors of thousands of tiny pixels. Red, green, and blue sub-pixels make up each pixel, and tiny transistors inside the screen trigger the correct color electronically.

Several factors can cause these pixels to become stuck on a particular color, including damage to the screen or manufacturing defects. Stuck pixels can appear as a single tiny dot on your screen or as entire lines across it.


A Smart TV has a life expectancy of 60,000-100,000 hours or about 6.84 to 11.4 years. Plasma TVs can last up to ten times longer than LCD and LED TVs. But eventually, they all come down with various faults.

There are several ways to fix a TV screen with lines. Changing channels, changing the input source, checking cable connections, or restarting your device are some examples of how to see if the lines appear on all changes.

Ensure you do not damage the screen or anything else while making repairs to your Television.

The connections between TV parts may also be interrupted, resulting in horizontal lines. These problems can sometimes occur independently or if the TV is damaged.

I hope that this article answered your questions on how to fix horizontal lines on TV and other related problems as well.


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