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admin - 2018/7/24 9:42:38

Some laptop users have found that their laptop screen has one or more vertical lines. Sometimes moving the screen can clear the lines, but once you stop moving, the laptop screen lines will reappear, while some screen lines will always exist. In fact, the laptop screen has flickering lines may be caused by software problems or hardware problems. However, whether why it is happened, you can try to judge and fix the screen problem yourself.


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1: Make sure if the Screen Lines is caused by software or hardware

Operation method: Firstly, you are required to restart your laptop and press the function key to enter your computer's BIOS settings. The key that enters the BIOS depends on the manufacturer of the laptop, which you can find in the laptop user manual, or you can Google search for it.


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After entering the BIOS interface, if the screen lines appearing, means the problem is related to the software. If you still can see the flickering lines, it is probably the hardware problem of the laptop motherboard, screen cable or the laptop screen.


2: How to repair laptop screen lines caused by software?

If the problem is determined to be software related, the most likely reason is that the display driver is out of date or incompatible. The solutions are very simple, you need to do:

1.Visit the official website of your laptop motherboard or graphics card manufacturer.

2.Navigate to the support/download page.

3.Search all available drivers for your laptop.

4.Download the latest version of the laptop display driver.

5.Install the display driver.

6.Restart your laptop and check if the issue is resolved.


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You can try to update your graphics card driver in the easiest way, such as installing a professional driver download tool that can automatically detect which program you should upgrade. I suggest you go to the regular website to install and download.


Fix laptop screen has lines windows 10

Vertical Lines on Laptop Screen if you manually install the graphics driver:

1.Right click on the empty area of your desktop and choose "Display Settings"

2.In "Resolution", click the drop-down menu and make sure the recommended resolution is selected.

Then see if the vertical lines disappear.


3: How to repair hardware for laptop screen all lines?

1.Detecting the motherboard

Connect an external monitor to see if it has the same problem, and if so, the motherboard is broken. Otherwise, you should check your screen cable and screen.


2.Detecting the screen

If the external monitor displays properly,run LCD BIST (Build-In Self-Test) on the laptop to check the LCD screen.


To activate the LCD BIST, please do the following:

1)Connect the AC adapter to your computer.

2)Hold down the letter < D> on the keyboard and power up the computer. You will see four colors (gray,red, green, and blue) in turn on the screen.

3)If you see no distortion on the screen, the LCD screen is fine. If multi-color vertical lines are found in the test, then it can be judged that it is a problem with the laptop screen, and the screen must be replaced.


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3.Detecting the cable

As using time goes on, the screen cable may wear out or even crack (especially at the hinge, because the laptop screen cover will be often opened or closed), causing horizontal and vertical laptop lines.


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The cost of buying a new screen cable is usually not too high, and you can buy it for about $5 and replace it by yourself.

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ProposeThrough the above method, you can determine the specific problems of your laptop screen. It is recommended to choose the appropriate solution according to your actual situation and ability. It may cost more than $20 to have it repaired by a professional and the exact cost is not available. If you have the ability to repair laptop screen has lines, you can choose to repair by yourself, which will cost less.


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