Windows Upgrade Help and more

This. Yeah, and you can use the Print Screen key with `pyautogui` for a quick full-screen grab if that works for your task. Hope that helps.

Yeah, and once you're in the BIOS, you'll usually find the Secure Boot option under the Security or Boot tab.

I had the same problem on my 7040. I had to go back into the BIOS and change the Secure Boot mode from "Standard" to "Custom," then immediately back to "Standard" and save—that finally made it stick for the upgrade.