Heres a Guide
1. Right Click on your desktop and select properties.
2 Go to "Settings" tab
3. Click "Advanced"
4. You should see your Card (Mx400) Click on it.
5. You will find everything you need there. I dont have mine plugged into my tv now but I think its called "Nview" you will be able to do everything related to tv monitors there.(You might have to change the view to classic)