Horizontal lines on tv screen Samsung

Horizontal lines on tv screen Samsung. Samsung is a well-known brand that provides singularity and reliability in its products. We are talking about Samsung TV, which enables high-quality pictures with alluring visuals.

The Samsung Tv includes a variety of models for its viewer, but no appliance exists here that never gets any issues. So we can say it’s a nature of a device or gadget.

Some common issues like Samsung Tv horizontal lines suddenly appear on the TV screen while streaming or watching a movie.

If your Samsung smart TV is experiencing the same issue, and you don’t know about it, then we’ll feel happy to guide you while troubleshooting your Samsung TV’s horizontal lines on the screen.

Horizontal lines on tv screen Samsung

If there is an issue with Samsung TV horizontal lines on the screen, you have to inspect the issue of the horizontal lines on your smart TV screen to make a better fix.

If the horizontal lines appear, there must be some input issues or a defective LCD panel. But it’s not that complicated; focus on the guideline for incredible results.

Let’s start diagnosing the issue by educating yourself on the reasons behind the horizontal lines on the Samsung TV screen and following the solutions to fix it.

Reasons For Samsung Smart TV Screen Horizontal lines

If you are worried about the issue of your Samsung TVs’ horizontal lines on the screen, then you must know the reasons first before fixing it.

Knowledge never gets wasted. You may get help from these instructions to prevent future horizontal line issues.

Because the reasons take you into the depth of the matter and tell you how severe or minor the situation is, have a look at the reasons first.

Loose Input Cable Connections

loose input cable connections

The first, most noticeable, and common issue that may cause Horizontal lines on your Samsung smart TVs display panel is a loose connection of the HDMI cable.

It would be best if you inspected the input cable being connected correctly from the Smart Hub to your Samsung smart TV.

If there is a loose input cable, you may experience loading issues and horizontal lines on the screen. So, ensure that there are no loose input cables connected to the input port.

After checking the loose connection, you have to inspect the input port. Ensure that the HDMI cable is attached to the correct HDMI Input port.

You must test the working when you inspect the HDMI cable connection to its port. If it doesn’t work, you may use another method to fix it.

You only need to detach the HDMI cable from its port and then wait for at least one minute; then, you can connect back the HDMI cable with a strong connection.

You also have to check the condition of the ports and the HDMI cables, and if you find any damaged HDMI cables, it would be better to replace them.

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Defective Samsung TV Screen

defective samsung tv screens

If there is a problem with the Samsung tv screen showing the horizontal line, then the gate driver of your TV’s display panel is defective.

Gate driver failure allows the power to your smart TV’s screen. If the issue is because of the gate driver, you must replace it. Resolving the hardware issue is a tough job.

So, it would help you to contact a professional because the component is located on the motherboard of your Samsung smart TV.

So, it could be difficult if you are not an expert.

Old Smart Samsung TV Firmware

The following reason is related to using old firmware for your Samsung TV. It is hard to enable high pixels of pictures on your LCD screen for expired graphics.

So, it results in the Samsung TV horizontal lines on screen because the old version firmware may also have some glitches and bugs then need to be removed.

If you suspect that you have not updated the firmware or don’t know whether the update is available or not, then you may go to the solutions segments to fix the issue.

Incompatible Picture Resolution

incompatible picture resolution

Here is another reason that may you may blame for your headache. In your Samsung TVs model, you get facilitated with different resolution settings.

The resolution quality starts from 720 megapixels to 1080 megapixels. So you must check that your Samsung Tv brand can show high-quality graphics.

Maybe your Samsung TV uses low graphics compared to the picture resolution you are currently watching, so you must remove this difference according to your Samsung TV model manual.

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When your smart TV starts showing horizontal lines on the screen, you may see a statement note if your TV has an incompatible image resolution.

Solutions For Samsung Smart TV Horizontal Lines

So, for most of the reasons we discussed in the previous portion of the article, we are going to start fixing the issue of horizontal lines on the screen.

If the problem is not related to any hardware failure, then we can comfort you by saying that you can fix Samsung Tv horizontal lines on the screen very easily and quickly.

Just follow the instructions and the given tactics to resolve the issue without consuming time. Let’s accept the challenge to get a fantastic victory.

Inspect The Lines on Samsung Smart TV

inspect the lines on samsung smart tv

Before jumping into solutions, we were hoping you could inspect the horizontal lines on your Samsung TV screen. This step will help you a lot of lot fix Samsung TV horizontal lines.

Firstly, inspect that the horizontal lines on the screen are moving or stuck on the screen. The lines themselves indicate the problem state.

For example, let me explain, so you are watching the horizontal lines in front of you this time. You can efficiently resolve the issue if the lines are in motion.

If you tighten the cables attached to the HDMI port, you may resolve the flickering horizontal lines on the screen. Ensure not to have any loose input cable connection.

If you have resolved all the issues related to the cable connections and ensured that the damaged HDMI cable is replaced, then the moving lines get fixed. You may also try the other methods mentioned below.

But, in contrast, if the horizontal lines are constant, it’s a sign of a defective Samsung LED TVs panel. To resolve the constant horizontal lines, you must replace the panel. We suggest contacting an expert for replacement.

Power Cycle Samsung TV

power cycle samsung tv

If you are experiencing horizontal lines on your Samsung LED TV screen, you must try the power cycle process to resolve the issue.

Yeah! Sometimes because of some temporary glitches or errors, your devices may start creating issues.

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There are high chances that you can fix the horizontal lines on screen issue by doing power cycling.

Follow the track to power cycle your device.

  • Step 1: Firstly, you must remove the power cable of your Samsung Tv from the power outlet.
  • Step 2: Wait at least one minute.
  • Step 3: Connect the cord to the power outlet and switch On your smart TV.

Execute The Picture Test Feature

As we already discussed, the incompatible picture resolution issue that may be a culprit of the horizontal line appears on your Samsung Tv.

You may try this fixing method to resolve your issue and any display-related problems. You may also call it a self-diagnosis process of display errors.

If your Samsung smart Tv is manufactured in 2018 or afterward, you may use this worthwhile picture test. We feel sorry if you have an older Samsung TV brand with no picture test option.

But calm yourself. You can use other methods for your Samsung smart TV model to fix the horizontal lines issues.

Follow the given instructions to execute the picture test.

  • Step 1: Grab your smart TV remote control and push the Home button.
  • Step 2: After accessing the smart hub menu, you must navigate Settings.
  • Step 3: Go down to the Support tab, and select the Device Care option.
  • Step 4: After selecting the previous option, a scanning cycle may start, which takes a few minutes.
  • Step 5: Now, you must go through the option named Self Diagnosis.
  • Step 6: Go to the Picture test, and hit the OK button. It will start the picture test from the very next moment.


You may also check the picture compatibility by attaching your laptop to your Samsung smart TV using an HDMI cable and examining any difference in horizontal lines on the screen.

Samsung TV Reset Picture Setting

samsung tv reset picture setting

So the scenario is that you have suspected that someone changed the picture settings from default settings, or maybe you are the culprit for changing the picture settings.

Whatever to whom you blame it for, but you suspected after that incident of changed picture settings, the horizontal lines on the screen get appeared. And you don’t even know how to set it back to default.

Take a deep breath. Here is another feature that must be helpful for you. One more thing that is necessary to clear is that this procedure doesn’t delete your entire data.

Go through the way given below to fix the television screen.

  • Step 1: Firstly, you must access the smart hub, so grab your smart TV remote control.
  • Step 2: Push the Home button to get the smart hub menu.
  • Step 3: Now, go to Settings.
  • Step 4: Click on the Picture tab>Expert Settings.
  • Step 5: Go down to the Reset Picture and select it.
  • Step 6: In the end, hit on the Yes.

Update Samsung TV Firmware

If your Samsung Tv screen still has horizontal lines, then here is another solution that could possibly fix the issue.

The outdated firmware is not the reason for the lines on Samsung TV, but an update in Samsung TV brings a lot of advanced features, including the advancement in graphics.

Some temporary bugs, errors, or outdated graphic drivers might get fixed with the update and resolve the issue in a few minutes.

When Samsung sends an update, you may get notified through a pop-up or a notification statement.

But, if you forget to update the firmware version or are unaware of whether the update is available, you may get our assistance in updating Samsung TV firmware.

Follow the track given below.

  • Step 1: Firstly, push the Home button on your remote control.
  • Step 2: Access the smart hub menu, then choose Settings.
  • Step 3: Click on the Support option.
  • Step 4: Click on the Software Update.
  • Step 5: Tap on the Update Now.
  • Step 6: Now, you must wait for the downloading and installation to get done.
  • Step 7: You may follow the on-screen prompts to finish the updating process.

Now, examine whether your Samsung TV horizontal lines are removed or not. We hope that updating the solution gets worked for you to load properly.

But if it still appears, we have another permanent solution in the next heading. Let’s look at that to fix Samsung TV horizontal lines.

Samsung TV Factory Reset

samsung tv factory reset

If you have tried all the previous methods to resolve the issue, but it is still constant, then there is the last option before calling a professional or replacing your smart TV.

Executing a factory reset can erase all the data and history that you have made in the past.

It will help you to remove any bugs or corrupted data files causing horizontal lines on the screen.

We are highly hopeful about this procedure, and after that, you must require to do the initial setup that you have done at the time of the newly brought Samsung TV.

Follow the procedure to get Default settings by factory reset.

  • Step 1: Firstly, open the smart hub by pushing the Home button on your TV remote control.
  • Step 2: Navigate Settings from the smart hub menu.
  • Step 3: Now, go to General and pick Reset.
  • Step 4: Provide the Pincode that is 0000.
  • Step 5: Select Reset and then OK.
  • Step 6: You must wait until the factory reset cycle is complete and your TV start boosting.

Test your TV after initial setup and check whether the factory reset works to fix Samsung TV horizontal line on the screen or not.

Now, you can download the app you want to watch on your TV after establishing a Wifi connection.


We hope that after these guidelines, you may be able to fix the Horizontal lines on the TV screen Samsung suddenly appears. You may get fix the lining issue on Samsung smart TVs.

You may use different methods like modifying the smart TV’s resolution setting, updating the TV’s firmware, checking the connection, and other ways to fix lines on the TV.

If your TVs issue is not fixed, you can contact Samsung to resolve the issue. If you come to know about a severe issue, it’s better to replace your Samsung TV.