Hi shah.g
There is a good time that I had not tried the normal build model.
The option is there but I do not personally use.
I just try again with a fresh package without change, only the build model and the standard boot manager.
He started carefree here on virtual machine and real computer

Have you tried on several PCs ?
Can you try with the default options to ensure that it starts correctly and then add your apps, drivers, ... 1 by 1.