I am utilizing a PC with windows XP operating system from last two years. I upgrade my PC with Inno3d Geforce 7600gs 256mb Agp graphics card as well as some other hardware however there is an issue I have by means of my new Inno3d Geforce 7600gs 256mb Agp graphics card. If I attach it my PC won't start. What I have to perform to resolve this issue? Please reply me as soon as possible.