If the game allows you to adjust graphics options, you could try lowering resolution, like Inland suggests. Also turn down or turn off any graphics "extras" like shadows, antialiasing, filtering, etc.
It sounds like your video card isn't able to handle the electrical special effects in that scene.
If nothing helps, if you're at the point about 5:20 into ***this YouTube video***
, it might be easiest just to watch the video.