I did forget to mention using the exe to retrieve the bios, sorry about that. I knew it was 8518 because msinfo32.exe revealed the BaseBoard Product number to be 8518.
Here is the error copy/pasted from cmd.exe run as administrator:
If you have to get rid of one of them to make it visible then get rid of the Fan Always On option but leave it defaulted to Disabled please or if you can just set it to never or 24 hours that would be perfect. Whichever is easiest. However I cannot seem to find the option in any previous bios either which is the strange part.
I got the bios simulator sml from http://partnersml.itcs.hp.com/Media/97AE…9D8242B001E.zip
You can also access it in-browser by going to http://csrsml.itcs.hp.com/ and selecting Laptops and Hybrids under Product Category, HP Spectre x360 Home Notebook PCs under Product family, HP Spectre 15-df0000 x360 Convertible PC under Product series, and finally Simulator (BIOS) under Media Selection and Additional Resources or simply by going to this link.
As you can see the bios listed is something I can’t find anywhere else, B.07T50. Not sure what to make of it.