The latest Optimus Graphics Drivers are compatible with the following ThinkPad products: T430, T430i, T430s, T430si, T530, T530i, and W530. There are four drivers, each compatible with either of the latest Microsoft operating systems, both 32-bit and 64-bit versions.
Depending on your configuration, the drivers enable one of the NVS 5200M, NVS 5400M, Quadro K1000M, and Quadro K2000M NVIDIA devices, or one of the HD Graphics, HD Graphics 3000, and HD Graphics 4000 devices from Intel.
They also install the NVIDIA or Intel HD Audio driver.
Regardless of your Windows OS, this release will fix a possible security issue with NVIDIA's display driver service, as well as a security vulnerability issue with NVIDIA's software services.
The NVIDIA’s Graphics and HD Audio driver versions are 220.127.116.110 and 18.104.22.168 respectively, for all supported OSes. For the same drivers, Intel has 22.214.171.12443 and 6.14.00.3097 versions for Microsoft’s latest operating system, and 126.96.36.19925 and 6.14.00.3090 versions for Windows 7, both 32 and 64-bit variants.
This said, to keep your ThinkPad device up to date, follow the link below and download the appropriate file depending on your device’s name and OS.