Hi @spinkee welcome.
Let’s just rule out the drivers issue, there may be more than one set of drivers to update!
Are you aware of this HOWTO page?
Make sure you understood all of the above page first. Some Windows versions seem to behave differently but if you have a Windows Device Manager open while you work with Easy Installer, if your device changes to a “
Update drivers” when you change booting mode, you will be alerted to update the drivers again! 
Do ask again, if it is not a drivers issue.