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
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.
Your screen connector or your screen is failing in the laptop.
i dont know dont u hahaha by P@☻!
If your computer screen has vertical lines on it sometimes your monitor or graphics card may be dying.
Here's full article on the problem and its solution. http://tshoots.blogspot.com/2009/04/screen-flickering-problem-toshiba-dell.html and http://www.tshoots.blogspot.com
no it dos not
Vertical lines usually indicate bonding tab issue, the screen would need to be replaced
Eat your computer
The Graphics Card is broken.
my laptop is turned on but my screen won't work.
Non-vertical lines could be slanted or horizontal.
They are simply just called lines.