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if my screen refresh rate is 60 hertz What exactly does that mean?

Also, how do i increase/decrease this screen refresh rate?

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up vote 2 down vote accepted

It means that the image on the screen is refreshed 60 times a second. It can be changed in the advanced display properties to any refresh rate the display supports.

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Using the word refresh to define what a 60 Hz refresh rate is is a tautology. Better to use other words like redraw. The screen is redrawn 60 times a second. – psusi Jun 1 '11 at 13:55

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