Computers might not have separate video cards but in that case the video cards will be integrated into the computer motherboards - on board graphics!
Monitors might be affected by electrical interference. Best plan is to swap the monitors around and see if the vertical lines persist on the two potentially faulty monitors and if that is the case the monitors can be declared faulty.
SOURCE: Vertical Lines on Picture, no Video.
I have been advised by a TV repair shop that this problem is teh Lower Scan Baord gone faulty, is this true possible.
SOURCE: Vertical lines in my laptop screen BEWARE SPAM NUMBER +1-800-532-4187 BELOW
A VGA monitor is a monitor that uses a standard VGA connector to attach to your PC/laptop. A VGA connector is a small D shaped socket connector, about ½ inch long and ¼ inch wide. Its usually blue with three rows of holes (total of 15 holes) where pins from the mating connector match up with. The only other thing that may look like it is a serial port but that is easy to distinguish, it has two rows of pins for a total of 9. What 24 sever is suggesting you do is connect another monitor to see if the problem shows up there as well. I?ll be surprised if it does since usually this type of display problem on a laptop more often than not is due to a defective connection inside the laptop screen area. A quick test and perhaps even fix would be to grasp the right and left sides of your display while it is on (displaying the offensive lines) and gently twist like you were wringing out a towel. Again, and I emphasize, gently using only a couple of ounces of force. Watch to see if the lines disappear, get worse of make the screen flash or change. If you do then its likely cause is the connector from the LCD panel to the electronics has oxidation or a loose connection. If you?re lucky the flexing might even fix your problem, if not you will have to take it apart to find out exactly what is going on or take it to your local repair shop.
SOURCE: Vertical lines in my laptop screen
This appears to be a duplicate posting, see this link for the active post: http://www.fixya.com/support/t152864-vertical_lines_in_laptop_screen
SOURCE: Vertical Black line 3 inch width on Plasma Samsung 42C96HD after 2 months of use
Three kinds of detects count for this problem. It could be the Logic board, or the Logic Buffer board, or the PDP panel. Just drop your tv to the warranty depot shop to repair.
SOURCE: Vertical lines in my laptop screen
Check it on External monitor prior to replacing the screen.. If the problems there as well its not the screen..
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