My computer to play games when there is always a dark side of how the matter? How to solve?

Users questions:My computer when playing games (CS Pro Evolution Soccer) display on the left there is always a black border (about two centimeters) how the matter? Want to master the game to help solve the
Experts answer: panel buttons to adjust the display to adjust over, quit the game after the desktop will not be affected.
  • This information provided by the users.Thanks!