|"the drivers I'm installing from the Dell site are for XP maybe I need to try and find some drivers for Vista"|
Ya think? Of course you have to use Vista drivers but I don't think there are any available for your old graphics. Vista's going to perform poorly with just 512MB RAM anyway...go back to XP.
"If my answers frighten you then you should cease asking scary questions" - Jules Winnfield (Samuel L. Jackson) in Pulp Fiction