I have vegas pro 8... I just installed it into my computer that i purchased for video editing.It has windows xp media edition. I am using a television as an external monitor for brightness and contrast and color correction.. I am ok with connecting to external monitor . However, when i go to fx and click on brightness and contrast or color correction and the box with slider bar popup and i attempt use the sliders ,nothing happens it is checked in the view dropdown list . Can you help me out ,John