Win7 computer monitor flashing how to do?

　　 Reason one: Video data output line problem;

Check whether the video input line has broken traces, or change a connection to try;

Check whether the interface of this connection is loose, computer host interface and monitor interface;

　　Reason two: Computer graphics card does not drive well;

Re-download the new graphics driver software into the drive;

　　Reason three: does not set the monitor to refresh the frequency correctly;

Right-click the desktop space, select "Screen Resolution", and then select "Advanced Settings";

Set the "refresh rate" under the monitor option, the larger the number you choose, the better, as shown;

　　Reason four: Computer graphics card problem;

Check your computer's graphics card to see if the video card itself has problems or interface contact problems;

　　Reason five: monitor problem;

If it is used for 35 years old monitor, it may be the problem of the display itself, the internal components of aging caused by the distortion of the screen, splash screen and other issues, it is proposed to change a new liquid crystal display;