It's probably your monitor out of adjustment. Adjust the size of the picture so that it goes all the way to the edge of the screen. Most monitors nowadays have an "auto adjust" feature and do it automatically. Just click on the "menu" button on the front of your monitor.
It's probably your monitor out of adjustment. Adjust the size of the picture so that it goes all the way to the edge of the screen. Most monitors nowadays have an "auto adjust" feature and do it automatically. Just click on the "menu" button on the front of your monitor.