Hi, im new to this site.
I have bought a Blackmagic Intensity Pro for capturing my Xbox360.
Everything worked fine...but now i switched to pc gaming and i want to record pc with no lag (With Blackmagic)
I watched all around the web and i saw that someone is doing what i want...i want to record my computer with my blackmagic...
I Tried this:

I set everything on 720p (Media Express and Control Panel)
I set my desktop resolution to 720p

And i tried:

PC -> (HDMI) -> Blackmagic Input
Blackmagic Output -> (HDMI) -> Monitor

But it didn't worked....any help? Please.