Correct screen resolution settings in your Windows PC as it facilitates better display of content and the clarity of images. Higher is the resolution, sharper are the images and contents on your PC. While, Windows, however, has its own set default scaling settings and colors for each display on your PC, which are usually the best for your system, you can always adjust it according to your own preferences.
How to Change the Screen Resolution in Windows Vista
Go to Desktop.
Right-click the desktop.
Click Personalize or Properties.
Click Display Settings.
Click and drag the Resolution slider left or right.