We finally figured out how to fix the problem on our computer. Here's instructions on how to disable the onboard video adapter and use a better one.
Go to this link
http://forums.us.dell.com/supportfo...video&message.id=120719&c=us&l=en&cs=19&s=dhs
Also, this one might help...
How do I disable or change the onboard video settings for my Dell Dimension L series computer?
http://support.dell.com/support/top...d=82E12BC9482711DA84647316BE6E941D&l=en&s=dhs
Hope this will help some people solve the problem. Our problem was we had the NVidia GEForce card in our computer but never disabled the intel onboard card.
Go to this link
http://forums.us.dell.com/supportfo...video&message.id=120719&c=us&l=en&cs=19&s=dhs
Also, this one might help...
How do I disable or change the onboard video settings for my Dell Dimension L series computer?
http://support.dell.com/support/top...d=82E12BC9482711DA84647316BE6E941D&l=en&s=dhs
Hope this will help some people solve the problem. Our problem was we had the NVidia GEForce card in our computer but never disabled the intel onboard card.