If your monitor and video card have DVI use it whenever possible. Computers are digital and so are the signals they send to the monitor. When you use VGA connector the digital signal from the computer is converted to analog and transferred to your monitor where it is then converted back to digital and displayed. In this conversion to analog some of the quality is invariably lost. When you use DVI connectors the signal does not get converted so the signal is not degraded. Don’t believe us, try it yourself on a video card that has both outputs and display the same desktop on both. DVI will look clearer and sharper every time. DVI wins hands down.
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