If i bought a high quality DVI Dual-Link cable to use it with my HP w2207 instead of the normal dvi cable, is it sure i will I get a better/sharper image or just keep the normal one?
Single link should be fine, it supports up to 1920x1080 at 60 Hz. Since DVI is a digital interface, you won't get a clearer picture by switching to dual-link.
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