hello after a pc virus in w vista home eddition i installet w7u.

i had to install fs2004 from scrach with no mayor problems included a download of a 747-400 from IFLY wich work 95%. i dont have a video card except the one istalled in th emother board but for now its ok.

PROBLEM i donwloaded a falcon 7x but i can not correct or manage to have the speed or altitude buttons to work, so its eather to slow o overspeed plus going like a roller coaster....

this is the plane; if somebody can check thank you..
PREMIER AIRCRAFT DESIGN
DASSAULT FALCON 7X FOR FS2004

i tried in the page but did not find anything

any suggestions

thank you very much