I've got a PowerBook G4 12". Left it on the coffee table and my 1 year old son got to it. now the screen is super sized, the cursor/mouse arrow takes up the entire screen. I tried going into system preferences/displays, but can't get it to zoom out w/ changing the resolution. is there some sort of zoom short cut that will fix this? it's next to impossible to get around the screen to see anything. help!