Well, a little googling and I found keyboard drivers that are Win7 vintage. So far no more BSOD :)

I'm optimistic that this is the solve I needed.

Thanks for pointing me in the right...

Remove keyboard? But I love my keyboard.... well, maybe I will love it only in Win 7..

Will give removal a try.

(and thanks for such a quick response!!)

Sigh... a brand new build on new components. Have a dual boot - works brilliantly in Win 7 (no errors) but fails mostly upon boot up in Win 10.

Crash dump analysis shows 7 dump files with 6 DPC...