It is always a good idea to keep your video drivers up-to-date.  However, problems can occur if you simply overwrite your old driver files with the new ones.  While convenient, we always recommend doing a clean driver install.  Some driver packages allow you to select a clean install as an option.


If you run into problems uninstalling or installing your video drivers, a great tool is the Display Driver Uninstaller (DDU):


http://www.guru3d.com/files-details/display-driver-uninstaller-download.html


Always ensure that other hardware components on your PC are updated, including your motherboard BIOS, audio drivers, and all required and recommended Windows Updates.