Download 64bit / 32bit
Ignore false version numbers in Lenovo's installer 
CHANGES IN THIS RELEASE
Versions 9.18.13.1197 (NVIDIA Graphics Driver)
1.3.24.2 (NVIDIA HD Audio Driver)
8.15.10.2725 (Intel Graphics Driver)
6.14.00.3090 (Intel HD Audio Driver)
[Problem fixes]
- Fixed an issue where the computer might hang with the blue screen when
attaching the external analog monitor.
- Fixed an issue where the external analog monitor might have the srayscale
screen.
This driver exposes a new GPU
DriverVer = 07/17/2013, 9.18.13.1197 NVIDIA_DEV.11FC = "NVIDIA Quadro K2100M "