Intel’s official download center
The Intel Atom N550 is a dual-core CPU from 2010, paired with the Intel Graphics Media Accelerator (GMA) 3150 . This is not an HD Graphics chip—it lacks hardware-accelerated H.264 decoding and DirectX 10 support. intel atom n550 graphics driver
Windows 7 (32-bit), Windows Vista, and Windows XP. Intel’s official download center The Intel Atom N550
Intel provides official drivers primarily for legacy operating systems: Download from Intel Support . intel atom n550 graphics driver
While hidden, Intel’s final official driver package for the Atom N550 (GMA 3150) is version (for 64-bit) and 15.12.75.4.2080 (for 32-bit). These are dated around 2011-2012.