I have a mac mini and just bought a Viewsonic vx2025wm. When I hook the display to the mini, I get nothing. I hooked it up to an old Dell and it works fine. My mini works fine with my Samsung monitor. I called Viewsonic and they couldn't tell me what to do except to try to trick it by hooking up the monitor to the VGA connection on the mini. There is no VGA connection on the mini. Their next piece of advice was to return the monitor. Useless! Has anyone run into this issue? If so, how did you resolve it?