― Dell Precision M6400 laptop having trouble with it. The video card was a 512MB is suddenly not working and showing up as a 'Standard VGA graphics card' when looking at the properties through device manager. Driver says it's up to date etc and overall at a loss on what to do! ∙ Sol:- Dell Precision M6400 is a workstation, I think you got a drivers CD, you need to install from it. ∙ The cd consists of total drivers, which should be installed after installing OS. They provide the [...].