The role of graphics card
Video card full name display interface card, also known as display adapter, display configuration card is referred to as video card, is one of the most basic components of the PC. The purpose of the graphics card is to convert the display information required by the computer system to drive, and to provide a line scan signal to the monitor, to control the correct display of the display, is an important component for connecting the monitor and the PC motherboard, and is one of the important equipment of "man-machine conversation".
Second, the card has broken the symptoms of what
1, computer monitor completely black screen. This is part of the video card that is completely broken.
2, monitor screen display color is not normal, the screen is very vague. As shown in the figure:
3, Recurrent panic
4, display flower screen, writing blur, screen discoloration and screen display is not complete and so on
5, can enter the computer, has been prompted by the video card driver failure, resulting in no screen display
The most common on these kinds of it, as long as it is about the display screen problems are basically related to the graphics card, but is not absolute, there are many factors may make the picture problems, such as dust too, memory loosening and other reasons, so we have to computer hardware failure analysis and elimination.