Questions
Q1
Why can't I install On-Board VGA driver on B360MHD PRO2 when I use i5-9400 or i5-9600K CPU?

If you want to install On-Board VGA driver on B360MHD PRO2 with i5-9400 or i5-9600K CPU.

Please make sure your Windows 10 version is after 1703 version.

You can press [windows] + [R], key in winver to check it.

If your Windows 10 version is before 1703 version, please update it first.