Laptops have VGA and HDMI. I don't know what laptop you have that has DVI. Read this article on VGA vs. HDMI: http://www.cnet.com/news/hdmi-vs-displayport-vs-dvi-vs-vga-which-connection-to-choose/
The article says that to transfer video and audio to a TV, HDMI is great. And it says that only VGA isn't digital so it won' be getting that great quality