The cause of the problem
First, it is necessary to tell that the stripes on the laptop screen can occur in the following cases: if there is a fault in the video card, if the failed matrix or its plume. Unfortunately, if in your particular case it turns out that the reason will be directly in the matrix of the laptop, it will have to be replaced. Some other solutions to such problems in this case. Repairs shall be made with the help of experts in the appropriate service center, as doing it yourself is highly undesirable, as it may damage the new matrix. In order to find out the cause of the problem, should pay attention to what disturbances occur on the screen.
How to solve the problem?
If the problem was in the plume of the matrix, then you'll see colored vertical lines, and if you connect the computer to the monitor through a special cable, these bars will disappear. A malfunction of the matrix indicate the following display settings: vertical white stripes, a black bar appears with ripples, as well as inversion of the image on the screen. In addition, the fault matrix indicates the appearance of black stripes, often translucent, and if the netbook will take a certain position, the screen may even turn black. The malfunction of the chip point appeared on the screen interference (artifacts) in the form of red, blue horizontal lines or colored squares, dashes across the display, and if the same interference image on the external monitor appears without any distortion, and the position change of the screen and the bending does not affect the image.
Black streaks may occur on the screen if your device is equipped with two graphics cards, like nvidia optimus, which have automatic switching, and the setting of the video card is not the point of scaling. Accordingly, the absence of this paragraph, and the scaling is the cause of the black bars. If, during the operation of the computer or games, the black bars do not appear, and arise only when you play a video, it means that the problem is your playback device (the video player). In addition, if the black bars occur when you operating system startup and during its operation, then you should reset the settings in the BIOS on standard.
Advice 2: Why is my screen black
PC users are often faced with a black screen while working. It occurs for various reasons, such as having hardware problems or problems in any apps.
Make sure video card is properly installed on the motherboard of the computer. Also, check that is securely connected the monitor, checking the connectors on the system unit and the device. If the problem lies with the video card or the monitor, most likely, when the computer is turned on you will hear the familiar sounds of boot, but the display will be missing.
Install the latest drivers for monitor and graphics card. If they are not, you can watch the complete lack of images and too blurry or dark picture. Also try to adjust the monitor image with the function keys located on its front panel. May have strayed adjust the brightness and contrast, whereby the image on the monitor is too dark.
If black screen occurs when you run an application, such as a computer game, it might not fit your system requirements and hangs at the start. Try pressing the Windows key or Ctrl+Alt+Del to end the program that caused a system hang, or click on the Reset button located on the system unit.
Black screen can occur as a valid feature of the system in certain cases. For example, during installation of drivers for the video adapter, the screen may become black for some time. The reason for this is the autoconfiguration of the system and install the appropriate video settings. After some time the image appears on the monitor again. Also some computer games have no loading screen, resulting in after they start a user a few minutes to watch a black screen. Then an image appears, and starts the game itself.