...there is no such driver xx.xx.15.48...
Judging from the old driver you have installed you have a Gen9 GPU, so you can try this newer driver: Download Intel® Graphics Driver for Windows* [15.60]
Another Optimus user helped himself by disabling Intel GPU
This is of course just a work-around, no solution.
I really thought this would work, but alas...
Install driver via "have disk method" as described at:
(ignore prolog about MS surface)