--- Chris and Martin K?ser both wrote: There should be a cable that plugs into that port. That cable will then have an RGB video connector to go to a monitor, an RGB video connector to go to the Mac's video out port, and a PC Joy stick port. --- end of quote --- Wow, ok. She had me convinced that it "always worked" in this configuration, but that's clearly not true. She must've forgotten all about the Mega-Dongle.