Computer monitor

ok so i got my xbox connected to my pc monitor works fine sound and video

but with some games (skate 2 Gta 4) its full screen but with others (pga 09, burnout paradise)

its wide screen and way to make those fullscreen aswell?

ty

From your post it sounds like you're running the 360 on a 4:3 monitor. Unfortunately, unless you get a 16:9 monitor, you'll be stuck with the full screen resolutions. A good 19" widescreen monitor is pretty cheap now ($120-$140). Check your local Sunday newspaper ads for deals and sales on them.