If your computer screen has vertical lines on it sometimes your monitor or graphics card may be dying.
Eat your computer
If a laptop fell and now the screen is covered with colorful vertical lines, the LCD screen cannot be fixed. However, the screen can be replaced to restore the laptop back to working condition.
Vertical lines usually indicate bonding tab issue, the screen would need to be replaced
Your screen connector or your screen is failing in the laptop.
Lines are visible when taking a picture of a computer screen because of the refresh rate of the screen and the shutter speed of the camera. The refresh rate of the screen and the shutter speed of the camera may not be synchronized, causing the lines to appear in the photo.
The Graphics Card is broken.
Vertical, horizontal, and all others, sometimes called skewed.
Here's a complete article for you to identify and solve this problem. http://tshoots.blogspot.com/2009/04/screen-flickering-problem-toshiba-dell.html
To capture a clear picture of a computer screen without any lines using an iPhone, you can take a screenshot by pressing the side button and the volume up button simultaneously. This will capture the screen exactly as it appears without any distortions or lines.
electricity gives display to the computer
To take pictures of a computer screen without lines appearing in the image, adjust the camera settings to match the screen's refresh rate and use a higher shutter speed to reduce the chances of capturing the lines. Additionally, avoid using a flash and ensure the screen is clean and free of any glare or reflections.
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