The driver you have installed is a bit out-of-date.
Probably "Fall creators update" works better with a recent driver from here: Downloads for Intel® HD Graphics 620
To bypass message "best driver is already installed" or "computer is not validated" install driver via have disk method as described at:
(ignore prolog about MS surface)
Thank you. I have installed the driver you linked to using your directions, but I have yet to re-run the update to Windows.
I can not confidently mark your answer the "correct answer", but I bet you got it.
I knew about the driver, I did not know how to override the "not validated for my computer" part.
I hope they validate that driver for a wider range of machines.