HP boot menu select key is F9 on boot. If it's set to not allow USB Boot, then it's F10 for BIOS settings. I did get it to boot off USB, but it wouldn't reset.

If you want to factory reset your HP device from startup, then we recommend following the instructions in the How to factory reset HP laptop without password section. How to factory reset HP laptop ...

You can grab HP’s new update in Windows 10 by heading to the Start menu and clicking on the Settings cog, then Update & Security, and finally Windows Update.