Windows Vista® Step by Step Deluxe Edition

Selecting and Managing a Screen Saver

Screen savers are static or moving images that are displayed on your computer after some period of inactivity. The original concept behind screen savers was that they prevented your computer’s monitor from being permanently "imprinted" with a specific pattern when it was left on for too long without changing. Modern monitors are not as susceptible to this kind of damage, but it is still a good idea to use a screen saver or to have your monitor automatically use power-saver mode after a period of inactivity.

Another reason for using a screen saver is to protect your computer from prying eyes when you are away from your desk. To further protect your data, you can require that your password be entered to unlock ...