Good point, I’d forgotten about that “fakeRAID” nonsense. Often an issue with systems set up that way running Win10 where the user wants to become an owner & install Linux on the machine, either alongside Win or as a standalone system.
Also welcome to the Forum, @Jamps and also to @rixx and @maj44 
maybe you’d like to chime in on the Welcome and Introduce Yourself - 2020 thread? 