Can debian support HDTV? debian or Windows, it all depends on graphics card and debian looks pretty on a big TV screen. And what not, when playing movie using xbmc, it makes you forget that you are running debian
If you have an nvidia graphics card with DVI out, get a DVI-HDMI adapter and connect to your HDTV using HDMI cable (If it has HDMI output, it is straightforward). Then boot into debian, open nvidia control panel and adjust screen resolution as much as you wish.
You will be surprised to see debian maintains low profile, yet giving you the user complete control of your system
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