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How To Fix Vertical Lines On Tv Screen? Vertical lines on a television are unusual. When this occurs, it indicates that there is an underlying issue causing the problem.

It could, for example, indicate that the power supply is failing or faulty. In other cases, it could indicate that the HDMI cable was not properly connected, or that there is a poor connection between the processing board and the panel.

How To Fix Vertical Lines On A Tv Screen?
How To Fix Vertical Lines On A Tv Screen?

Another possibility is that the image does not exactly fit the screen. When you see black vertical lines on your TV screen, the first thing you should do is figure out what’s causing the problem.

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. Software problems are simple to resolve.

However, hardware issues necessitate contacting the device’s manufacturer or a technician.

CAUSES OF VERTICAL LINE DAMAGE ON THE TV

When an LED or LCD TV displays damage to a vertical line, a flat cable that is not properly connected to the T-Con board may be the cause; to check, tap on the back of the lower TV. become commonplace

If this is the case, you can be certain that the damage is limited to the loose cable on the T-con board, which is circled below.

Damage to the TV appears vertical lines like this can also occur on laptops, which is usually the first cause is that the area around the laptop screen was crushed by heavy loads such as when placed in a bag, pressured by books, or others.

Other causes include rust on the TV frame, which is usually made of metal; this rust can spread to the flat cable connector to the T-Con; most of this LED TV rust is the cause, particularly if the conditions around the TV are humid.

TROUBLESHOOTING VERTICAL LINES ON YOUR TV SCREEN

Here are some solutions you can try out.

1. Power-cycle your TV

You can fix black vertical lines on a TV screen by simply power-cycling the device.

  • Switch your TV OFF.
  • Unplug the power cord.
  • Wait at least two minutes.
  • Plug back in the power cable.

Once done, turn your TV ON and see whether you have fixed the issue.

2. Check your cable connections

A faulty cable, or one that has not been securely fastened to the input or output ports, can disrupt the signal and cause vertical or horizontal lines.

How to Fix Vertical Lines On TV Screen
How to Fix Vertical Lines On TV Screen

Consider the following:

  • Check that all cables are securely fastened at both the external device and your television.
  • If you have a spare set of cords, swap them out.
  • Check that the picture format settings on your external device correspond to the settings 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 device is faulty, you must repair or replace it. Try a different device to ensure that it is the specific device that is causing the issue.

3. Check the picture settings

Checking the picture settings can help you get rid of a green line on a TV screen. Most TVs have settings that affect picture display, such as aspect ratio, screen resolution, and horizontal or vertical scan frequencies.

In this case, refer to the user manual for the external device to adjust the picture format settings. Additionally, when connecting an external device, make sure the picture format settings match those of your device.

Set the source on your TV, for example, to the same port that is connected to your gaming console. If your console is connected to HDMI port 1, your TV’s source should also be connected to HDMI port 1.

Alternative Video: How To Fix Vertical Lines On A Tv Screen?

Fix Vertical Lines On A Tv Screen

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4. Update the TV software

The device is controlled by the software on your television. An out-of-date software program can cause a variety of issues, including vertical lines, poor picture quality, and the inability to install apps.

Try updating the software to see if that solves the problem. For instructions on how to update the software on your television, consult the owner’s manual.

5. Factory reset your TV

A TV may fail to process a combination of image settings you have provided in some cases. This can result in a variety of picture errors, including flickering lines on television.

While you can go through all of the settings one by one, you should think about resetting your device.

Resetting your TV to factory settings should only be used as a last resort. This is due to the fact that it will erase all data, including your settings. On the plus side, it allows you to start over.

6. Check the TV hardware for any damage

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

The best solution is to hire a technician to assist you. If your television is still under warranty, please contact the manufacturer for further assistance.

HOW TO FIX VERTICAL LINES ON SAMSUNG TVS

If you see 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.

Check to see if disconnecting and reconnecting the video cable or HDMI solves the problem. Another option is to run a picture test. Here’s how to do it:

  1. On your remote, press the Home button.
  2. Choose Settings.
  3. Navigate to the Support tab.
  4. Choose Device Care.
  5. Your television will perform a quick scan.
  6. After that, select Self Diagnosis.
  7. Scroll down and select Picture Test, then click OK.
Vertical Lines On TV Screen
Vertical Lines On TV Screen

Your television will perform a picture test. If your problem does not appear, you are dealing with a hardware problem. In that case, please contact a Samsung technician for assistance.

Third, you may experience a problem with your Samsung Smart TV in which colored lines appear on the edge of the screen. Lines may run along the top, bottom, or sides of the screen in black, white, or green.

The problem occurs when you set your TV’s picture size to JustScan or Screen Fit. The lines are referred to as Overscan lines by Samsung.

If you have JustScan selected, the picture resolution of specific programs will not fill the screen, resulting in the lines.

You can fix the problem by changing the picture size on your Samsung TV to 16:9. The setting will stretch the image beyond the edges and remove the Overscan line.

To change the picture size, press the P.Size button. Alternatively, go to Home > Settings > Picture > Picture Size > Picture Size 16:9 Standard.

T-CON BOARD FUNCTION ON THE TV LED

Before proceeding to the repair stage, perhaps there are other technicians who are unaware of the function of the T-Con on the LED TV. Tcon stands for timing control, which is self-explanatory. This module’s function is to control the timing of image formation.

If a CRT TV is assumed, this Tcon is a deflection yoke that serves to reflect the image vertically and horizontally. The T-Con board’s task on the LED TV is to bring up images, particularly vertical images. Tcon is also known as the Control Board.

CONCLUSION

A TV screen with lines can be fixed in a variety of ways. You can, for example, switch channels to see if the lines appear 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 expertise. Instead, contact the device’s manufacturer or a technician for more information.

A TV screen with lines can be fixed in a variety of ways. For example, you can change channels to see if the lines appear on all changes, change the power supply, check cable connections, or power-cycle your device.

However, if the problem is a hardware issue, avoid attempting to fix it for those who do not have the necessary experience. Instead, contact the device’s manufacturer or a technician for assistance.

Troubleshoot Vertical Line
Troubleshoot Vertical Line

Frequently Asked Questions

Can vertical lines on TV be fixed?

Simply power-cycling the device will fix black vertical lines on a TV screen. Turn off your television and unplug the power cord. Wait at least two minutes before proceeding.

What is the source of vertical lines on a TV screen?

Vertical lines appear on a TV for the same reasons that horizontal lines do: loose cables and wires, screen damage, or a faulty T-Con board. Vertical lines can also be caused by leaving the TV on for an extended period of time.

How do I fix vertical lines on my Samsung TV?

Check to see if the lines on the screen are moving or fixed. 2 If the lines sway, make sure the input source (HDMI 1, Video, PC, etc.) and connection are properly connected. Check to see if the problem has been resolved by disconnecting and reconnecting the video cable/HDMI.

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