Hi @Dave_Rye
Welcome to the HP Forums!
Thank you for posting your query in this forum, it's a great place to find answers.
I reviewed your post and I understand that you are having issues booting to windows.
I’d love to help!
Follow the steps in the below document and check if it helps.
http://hp.care/2dMCqb8
Let me know how it goes and you have a great day!
To simply say thanks, please click the "Thumbs Up" button to give me a Kudos to appreciate my efforts to help. If this helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles.
Take care.
Cheers!
The_Fossette
I am an HP Employee