Why does my screen like this?

Users questions:Now my screen once the scroll bar to move down when not directly down, but to refresh the window again, good slow! Who know why? Or there is a similar situation? Solution? 7,777,771 first determine what the status of your machine is well: How much memory available, memory is theThe amount of idle system resources, how much, graphics card drivers to install and set up correctly if the two monitors without soft regulation, but also displays its own regulation is correct to see the last three is the display hardware problems, but if it is this problem, change the value of yuan more than one device on the possibility of the problem, of course, is the first oneMaximum
  • This information provided by the users.Thanks!