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The most important thing you need to know about LCD
technology is that LCD panels have a fixed resolution. This resolution is
called “native resolution”, “maximum resolution” or simply “resolution” and you
must configure your desktop to that resolution, otherwise three things can
happen, depending on the model of your monitor:
1. The image won’t be “sharp”; it will be blurred. You will
see lots of squared areas, without any definition.
2. The monitor will centralize the image in the new resolution,
reducing the image size and inserting a black frame around the image. For
instance, if your LCD native resolution is 1280x960 and you decreased it to
800x600, this means there are 480 pixels left horizontally (1280 - 800) and 360
pixels left vertically (960 - 600). The image will be centralized and there
will be 240 black pixels above and below the image and 180 blank pixels on the
sides of the image.
3. The monitor will try to stretch the image in order to not
show the black area around of the image, filling the whole screen. This is done
thru a technique called interpolation, which isn’t 100% perfect and thus you
will feel that the image has better quality (definition) when the screen is
configured at its native resolution, even though the elements on the screen
(e.g. icons, letters, etc) will be smaller. In general you will feel that the
image is slightly out of focus (blurred) when the monitor is not configured in
its native resolution.
With higher resolutions you have more space on your screen
(in other words, more stuff will fit the screen at the same time) but icons and
letters will be smaller.
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