A screen saver is a moving picture or pattern that appears on your computer screen when you haven't used the mouse or keyboard for a specified period of time. Screen savers were originally used to save older, monochromatic monitors from damage, but now they are mainly a way to personalize your computer or enhance its security by offering password protection.

  1. Open Screen Saver Settings by clicking the Start button Picture of the Start button, clicking Control Panel, clicking Appearance and Personalization, clicking Personalization, and then clicking Screen Saver.

  2. To turn off all screen savers, under Screen Saver, click (None) in the drop-down list, and then click OK.
    – or –
    To turn on a screen saver, click a screen saver in the drop-down list, and then click OK.