How To Fix Vertical Lines On A TV Screen

Fix Vertical Lines

Vertical lines on television are unusual. When this happens, it indicates an underlying issue causing the problem. For example, it could signal that the power source is failing or defective. In other circumstances, it could indicate that the HDMI cable was not correctly connected or that there was a bad connection between the processing board and the panel Vertical Lines On A TV Screen. Another possibility is that the picture does not precisely fit the screen.

When you observe black vertical lines on your TV screen then Fix Vertical Lines, the first step is to determine what is causing the issue. Begin by checking your cable connections and ensuring that your external devices are operational.

You can also experiment with different channels to see if the lines appear on all of them. Recognize that lines on a TV screen can be caused by either hardware or software so Fix Vertical Lines. Software problems are simple to troubleshoot. However, hardware problems necessitate contacting the device’s manufacturer or a technician.

How to Fix Vertical Lines on Your TV Screen

Here are some solutions to get you started.

1. Restart your tv

Simply power-cycling the gadget will fix black Vertical Lines On A TV Screen.

  • Turn off the tv.
  • Unplug the power cord.
  • Wait at least two minutes before proceeding.
  • Replace the power cable.

After that, turn your TV to see if you’ve Fix Vertical Lines.

2. Examine your cable connections

A damaged cable, or one that has not been firmly connected to the input or output ports, might interrupt the signal and generate vertical or horizontal lines.

Consider the following:

  • Check that all cords are securely connected to the external device and your tv.
  • If you have a spare cord, replace it.
  • Check that the picture format settings on your external device correspond to those on your TV.

Lines can also appear if your external device is malfunctioning. A Blu-ray player, gaming console, or set-top box are examples of external devices. If the gadget is faulty, you must fix or replace it. But, try a different device to ensure that the specific device is causing the problem.

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3. Examine the picture settings

Check the picture settings to remove a green Verticle line from a TV screen.

Most TVs have options that affect picture display, such as aspect ratio, screen resolution, and horizontal or vertical scan frequencies. In this situation, consult the user manual for the external device to alter the picture format settings.

When connecting an external device, ensure the picture format parameters match your device’s. Set the source on your TV, for example, to the same port connected to your gaming console to fix Vertical Lines On A TV Screen. If your console is connected to HDMI port 1, your TV’s source should be HDMI 1.

4. Update the tv software

The software controls the device on your tv. An outdated software package can create various problems, including Vertical Lines On A TV Screen, poor picture quality, and the inability to install programs.

Try updating the software to resolve the issue. For instructions on updating the software on your television, consult the owner’s manual.

5. Reset your tv to factory settings

A TV may fail to process a combination of image settings you have specified in some instances. It can result in various picture abnormalities, including flashing lines on tv. While you can go through all the stages individually, you should consider resetting your device.

Resetting your TV to factory settings should be your last option. It is because it will delete all data, including your settings. But, on the plus side, it permits you to start over.

6. Inspect the TV hardware for damage

Vertical lines on an LCD can sometimes indicate a faulty T-Con board. The T-Con, or timing control card, regulates the timing of pixels on the screen. Unfortunately, the only option if your T-Con board is defective, is to repair or replace it.

You can replace the T-Con board yourself if you remove it. However, if you choose this option, you must be careful not to damage anything on the TV.

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The best solution is to seek assistance from a technician. If your tv is still under warranty, contact the manufacturer for assistance.

How to Fix Vertical Lines on Samsung Televisions

If you detect vertical black lines on the screen of your Samsung TV, determine whether the lines are fixed or moving. If they’re moving, your input source is faulty. Disconnect and reconnect the video cable or HDMI to see whether the issue is resolved.

Another approach is to run a picture test. Here’s how it’s done:

  • Then, on your remote, press the Home button.
  • Choose Settings.
  • Navigate to the Support tab.
  • Choose Device Care.
  • Your tv will perform a brief scan.
  • After that, select Self Diagnosis.
  • Scroll down to Picture Test and click OK.

Your tv will do a picture test. However, you are dealing with a hardware issue if your issue does not appear. In that situation, please contact a Samsung technician for assistance.

Third, you may experience a problem with your Samsung Smart TV in which colored lines emerge on the edge of your TV screen. For example, cables may run along the screen’s top, bottom, or sides in black, white, or green.

The issue occurs when you set your TV’s picture size to JustScan or Screen Fit. The lines are referred to as an Overscan line by Samsung. If you select JustScan, the picture resolution of specific programs will not fill the screen, resulting in the pipes.

You can Fix Vertical Lines by changing the picture size on your Samsung TV to 16:9. The option will stretch the picture beyond the edges and remove the Overscan line. To adjust the picture size, press the P.Size button. Alternatively, navigate to Home > Settings > Picture > Picture Size Settings > Picture Size > Choose 16:9 Standard Picture Size.


There are several ways to fix a TV screen with lines. You can, for example, switch channels to verify if the lines display on all changes, change the input source, double-check cable connections, or power-cycle your device.

However, if the problem is hardware-related, avoid attempting to repair it if you lack the necessary competence. Instead, contact the device’s manufacturer or a technician for more information.