How to determine the video card failure

In fact, for this problem, as long as we understand the role of graphics card, it is easier to think of the answer. Do not understand the role of Jie Xianka friends may wish to quickly to understand, first or review the role of the video card is what it.

　　The role of the 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". Generally speaking, the video card is the output of the computer image control, everyone likes to hook up with the video, in fact, video is also a combination of pictures, through a more than the display of a series of consecutive graphics into video, so professional graphics card is the graphics adapter, we just know that the graphics card and computer display screen shows a great relationship can be.

　　What are the symptoms of a bad card?

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.

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 loose memory or too much dust will cause the monitor no screen, boot unmanned and display, etc. There is also a bit of damage to the memory bar or video card damage sometimes on the power-on will also emit beep beep, so encountered such problems, we should first from the most simple memory, excluding memory reasons, and then consider the graphics card.