What Causes Computer Screens to Flicker?
Flicker Flicker in cathode ray tube (CRT) monitors results either from a too-low “refresh rate,” from a failing monitor or video card, or from electromagnetic interference. Refresh Rate jQuery(document).ready(function(){ jQuery(‘#jsArticleStep1 span.image a:first’).attr(‘href’,’http://i.ehow.com/images/a04/op/id/what-causes-computer-screens-flicker-2.1-800X800.jpg’); }); 60 Cycles a Second Your brain creates the image you see on your monitor’s screen by blending fast-flashing, strobe-like images that appear so quickly that they merge into one continuous image. The term “refresh rate” refers to the number of times a second the image on the screen changes. Typically, Windows sets the refresh rate at 60 “flashes” a second. When the refresh rate drops, or is set, below 60—and for some people even at 60—the flashes occur slowly enough that your mind can differentiate between the flickers, and you “see” them. Check the refresh rate set for your monitor. If your computer has selected a re
