VGA or DVI?

[merchinax]

[MODERATOR EDIT: We don't allow topic piggybacking in this forum. New question - new topic, please. I've gone ahead and split this off and moved it to the appropriate location. -Paul]

What is the difference between VGA and DVI? Which one is better? VGA or DVI? I heard many people have troubles while they are dealing with DVI... is it because something has to be set in BIOS first? so I should use VGA?
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