I have bought a HDMI to Displayport cable on the assumption that it would just work, but it doesn't. As this is my first foray in to the displayport territory I am stumped. I am using a Dell U2412M ...

I have a friend who is trying to use a mid-2010 Macbook Pro with a mini-displayport to HDMI cable from Monoprice to display A/V on a Sanyo HDTV. The audio persists on being outputted through the ...