Driver problems, I believe?

Hey, I'm having some major problems with my computer. I recently attempted to install WoW (World of Warcraft) and what
happend after the installation my computer tried saying I didn't have a graphics card So I tried looking into my computer and my graphics card is built into my K7VMM+ motherboard and I did a little research to find out that it was a EliteGroup AG315T graphics card now Im trying to find a driver so I can continue to use it. Im not sure if thats my problem though, when I run DxDiag and goto Display it says "The system is using the generic video driver. Please install video driver provided by the hardware manufacturer." Anyone know what to do? My computer is a couple years old now and it didnt come with any Hardware Drivers. thanks.
I really need help!! I recently bought a World Of Warcraft game, and i tried to install it into my computer, but it wont work, the computer reads the disc, but when i go to MY COMPUTER and look at it, there is nothing there, and when i go to Windows Media Player, it says NO DISC IN DRIVE, can anyone please help me with this problem?