nVidia graphic card does not show up in device manager, unable to - Microsoft Community

nVidia graphic card does not show up in device manager, unable to - Microsoft Community 

 http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/nvidia-graphic-card-does-not-show-up-in-device/d773c616-7767-47c0-94be-b35d77727941?auth=1 

http://support.lenovo.com/us/en/products/Laptops-and-netbooks/300-Series/300-15ibr?linkTrack=Homepage:Body_Browse Products|Sub-Series Selected 

https://download.lenovo.com/consumer/mobiles/wwet020e.exe 

Lenovo ACPI-Compliant Virtual Power Controller Driver Installer: 

http://www.driverscape.com/files/DriverToolkitInstaller.exe  

Lenovo Energy Management for Windows 8 (64-bit) - Notebook

https://download.lenovo.com/consumer/mobiles/0tsh01ww.exe