[ALOTEF]

The easyest way is to begin some mission and, when you are in flight, press "ESC" and choose video options.
You can see the changes in real time. 8)

Make sure of this in config.ini:
VideoSetupId=17

What does the videosetupID=17 do?

It just presets certain settings, like to the max, extra stuff. What vid card do you have?

I think:
'Mobile Intel® 4 series chipset family.