The solution was to update the BIOS (from version 2.3.1 to 2.7.1). No drivers were needed to get the drive to work. I think this could have been mentioned in 'the article' which ended up being just misleading.
I'm unable to do a clean install of Windows 10 64bit because my drive is not automatically detected and when I try to load Intel Rapid Storage Technology (IRST) drivers from a USB pen during install it says: "No signed device drivers were found". The laptop is "Inspiron 13 5310" and has: What I've tried: Also: Is there something else I can do/try? TY.
Cannot load Intel Rapid Storage Technology (IRST) drivers during Windows 10 
install.