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 have a very annoying problem with my recently re-appropriated HTPC. It's running an Asus M3A78-EM with integrated ATI HD3200 graphics. I have a monitor connected to it via VGA, and a projector ...