Check the graphics driver to troubleshoot screen flicker Jitter!

What is the graphics card, the display configuration card is referred to as the video card, is one of the most basic PC components. 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". is an important part of the computer, there is no video card your computer screen has no output screen, black and nothing to see.

The video card refresh frequency is incorrect or does not have the refresh frequency to choose, this is because the former video card driver is incorrect or is too old to cause. But this usually happens when the purchase time is relatively early in the computer will be able to check and install the latest version of the driver.