Swf not displaying correctly on LCD

So i’ve created an interface for a lobby display. It’s running on a 52" LCD (1280x768). I have the computer hard wired to the display (HP Laptop with standalone flash player) and have the same resolution settings set on it. Now, I built the interface on my Mac desktop and have the stage set to 1280x768.

The kicker: When i run it on the display, there’s a lot of extra vertical space at the bottom. When i change the resolution to 1280x1024, it fills the screen vertically properly, but then shortens it horizontally. Anyone have any ideas what i’m doing wrong or need to do? Thanks for the help.