Controlling the Display and Monitors with Windows Vista - Changing Display Refresh Rate
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The light-emitting diodes (LEDs) that make up your computer’s display don’t hold their images forever; the refresh rate determines how long the screen is redrawn by your video card each and every second you’re at your computer.
The lower the refresh rate, the more the image will flicker, and even though you might not notice it when staring at the screen, flicker can cause eyestrain over time. The converse is also true: the more the screen redraws itself, the less strain computer use places on your eyes.
You should, therefore, strive to set a refresh rate as high as your video card’s settings will allow. To configure Windows Vista’s display refresh rate, follow these steps:
- Open the Control Panel’s Personalization application and click the Display Settings link.
- Select the monitor you want to configure (if multiple monitors have been detected) and choose the Advanced Settings button.
- On the Adapter tab, choose the List All Modes option. A list of all resolution/refresh rate modes supported by the monitor should appear in the List All Modes dialog box.
- Now choose the desired refresh rate on the Monitor tab’s drop-down menu, as seen in Figure 4-30. You should notice from the List All Modes dialog box that not every refresh rate will be available for every screen resolution.
Figure 4-30. Changing screen refresh rate
Now that we’ve gotten some of the basics out of the way, let’s move on to some more advanced display settings, such as having Windows Vista utilize multiple monitors at once.
Next: Using Multiple Monitors >>
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 This article is excerpted from chapter four of Windows Vista Administration: The Definitive Guide, written by Brian Culp (O'Reilly; ISBN: 0596529597). Check it out today at your favorite bookstore. Buy this book now.
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