Let’s manage expectations. The GMA 3100 is a gaming GPU. Even with the best driver, here is what you can and cannot do:
This is the strongest point for the G33/G31 driver on Windows 7. intelr g33 g31 express chipset family driver windows 7 best
If the official Intel links do not work for your specific hardware, the Microsoft Update Catalog hosts a 15.3 MB version specifically for Windows 7. Microsoft Update Catalog Important Installation Tips Let’s manage expectations