This is an AV issue, but looks to be Mac-specific, so posting here rather than in the A/V Club. Sorry for the length, but I'm trying to supply all relevant info) Summary: I have an MBP connected via ...

I'm at a loss here with a bizarre problem. Can anyone educate me on the intricacies of HDMI connections? This projector has a long, thin directional HDMI cable running to a plate on the wall, which ...