Please, reboot the computer to safe mode with networking and download NVIDIA Display Driver Uninstaller from the below link.
http://www.guru3d.com/files-details/display-driver-uninstaller-download.html

How to go in safe mode with networking in windows 10 : https://www.youtube.com/watch?v=xnbi_bT2pE4

How to perform DDU: https://www.youtube.com/watch?v=n06-9SRHR3M

After the download, install it and follow the below steps.
-> Select the Graphics Driver as NVIDIA on top
-> Click on Clean and Restart

Once you download it. Run the tool and remove all the NVIDIA Files with the above steps and the computer will restart automatically.

Now download the driver from the below link with the same instructions and see if that works https://www.nvidia.com/download/driverResults.aspx/147962/en-us
a) Click on the link provided above
b) Click on "Drivers". On the next page click "Agree and Download".
c) After the download has finished, install the file using custom installation.
d) Tick mark "Perform Clean Install" and go ahead with the installation process.
e) Restart the computer after finishing the installation.

Please uninstall the driver using DDU in safe mode with networking and install the driver in normal mode.
 Santosh: Please take your time and perform the above steps that helps