I've been using a PowerBook G4 hooked up to a Sony LCD monitor for months. Today, suddenly, the colors on the monitor started acting weird. Instead of a white background, I have a black background and white letters. The icons and background screen don't match the G4 screen. I know it's not the monitor because I have it hooked up to a PC as well--no problems there. I'm thinking the VGA converter that came with the Mac may have gone bad. Simple to go out and buy a new one. But before I do that I wondered if anyone else has had this problem? PS this all happened after I flipped my wireless keyboard on its back to make sure it was turned on. Any connection?