Explains Windows update normally overwrites the installed graphics driver of a system.
Windows® 10 update automatically downloads version 27.21.100.9664 in the laptop and overwrites Intel Graphics Card version 30.0.100.9864 from Intel Driver Support and Assistant.
Windows* update normally overwrites the installed graphics driver of a system. Drivers from Intel Driver and Support Assistant are generic drivers, which are used for general purposes.
For the graphics driver of a laptop, get the customized driver from the laptop manufacturer's website.