Dell XPS l401x: unable to install intel widi drivers after uninstall

hi there,

I have Dell XPS l401x. I did install intel widi drivers previously And then uninstall. Now when I am trying to reinstall again it is reverting system graphic adapter is not compatible.

I did try with update utility too.

Dell XPS configuration

OS: windows 7 home premium

Graphic card: GeForce 420m notebook.

Graphic adapter drivers version: 16.11.0

could you please suggest if I have uninstall it correctly or wrong fashion.

Regards,

Kiran