What is the model of the video chipset or video controller integrated in your system? And what is the operating system installed and driver version?
You can identify it using Intel® Chipset Identification Utility available at:
Or please use the Intel® System Identification Utility using the following site:
That will generate an 8 digits code called Report Reference ID. Please let us have that code, this will provide us information on what is being detected on your system.
In addition you can check the game playability list on this site and check if your game is listed:
The reference ID is: 0070 4408 if you need anymore system infromation just ask
From what I can see your system uses the Intel(R) G33/G31 Express Chipset Family controller.
The latest generic driver for that controller is posted here:
Keep in mind that this controller may not be sufficient to what your game requires. I strongly suggest you to check on the technical minimum specifications with Blizzard.