Win7 System Monitor appears with a light line what's going on?

There are many users in the process of using the WIN7 system computer to find a bright line on the screen, some red, some blue, there are black, what is this? Many users think that the system is broken, or the graphics driver is not installed, the results of how to install the system and drive is still the same. And you can see this line before the system is turned on.

In fact, the screen appears bright lines are LCD screen problems, and the system is not related to the driver, do not believe that you can take screenshots to others, but you will find screenshots of the picture is no bright line, before entering the system before the light line is enough to explain the problem is the LCD screen.

LCD screen appears one or more black lines is due to the internal LCD screen circuit breaker or short-circuit fault, ordinary users are unable to handle, the general appearance of the line screen will be treated as defective screen.