The official Intel GMA 3100 driver supports Windows XP and Windows Vista. When Windows 7 arrived, Intel notoriously refused to provide a native 64-bit driver for the GMA 3100. This left users with a choice: stick to the Standard VGA Graphics Adapter (with no Aero, no resolution scaling, and terrible performance) or turn to the community.
bcdedit /set testsigning on bcdedit /set nointegritychecks on intel gma 3100 driver windows 7 64bit patched
: Better behavior in DirectX 9.0c games and OpenGL applications. The official Intel GMA 3100 driver supports Windows
: Some users recommend installing the older Windows Vista (15.12.4.64.1666) drivers on Windows 7 to force the system to recognize 128MB of VRAM instead of the default 64MB. Installation & Compatibility Notes no resolution scaling