Get system internals, then use autoruns to turn off any sus startup programs until the honk is gone on restart.

You can and should create your own fresh Windows installer from Microsoft, a media creation tool

If you are paranoid, there are more things you can do (but these are very rare)

• check in the bios settings if something called lojack/absolute is activated (it is firmware-level antitheft and cannot be erased). It can only be deleted by the user account, loging into the web portal, and marking it to be deleted the next time it connects to the internet. If that is on, I would raise hell.

-run the SSD manufacturer’s wiping utility

-Factory defaults the motherboard settings

-You can update all firmware or overwrite the same version of firmware. Motherboard and SSD, etc…

-look for any ad on cards in the motherboard that do not have a known purpose.

Study 500 hours to become a cyber security analyst and monitor the computer for sus behavior like crazy /s