This is a very comprehensive post relating to signed driver. I think you should read it.
https://docs.microsoft.com/en-us/windows-hardware/drivers/install/troubleshooting-install-and-load-problems-with-signed-driver-packages
Well as for your first question for how to use HWinfo32? you can watch this tutorial made by majorgeeks. I hope it will answer your first part of question.
https://www.youtube.com/watch?v=LIyb-AjwqLo
on the other hand this tool do not act as preventive maintenance plan rather it just keeps an...