As he only missed the first attempt, I suggest that you format the USB key before you re-attempt to create the Please use a white, not more than 32 GB and USB flash drive high quality brand not like Windows compatible 8. The process is progressing well until it gets to 90% and fails then indicating that she has problems in the creation of recovery media. I understand you are trying to create a recovery on a USB media. How can I find my model number or product number? You have the best experience in the HP forum, I would like to draw your attention to the Guide of the HP Forums. It's a great place to find answers and advice! He gets 90% and then comes up with a message saying that we live errors in the creation of recovery media.

I get a message to say the minimum 22 GB capacity. I put my new 32 gb sandisk Flash DRIVE on my pc and then followed the steps HP support assistant to create a recovery media.

Pavillion15: cannot create recovery media when plug sandisk Flash Drive Cruzer 32 GB Force

How to open sandisk flash drive