gregrocker said:
Those commands are all automated in Startup Repair.

It may go to your BIOS settings. Can we see camera snaps of all related settings to UEFI, CSM, LEgacy BIOS and BIOS Boot Order priority?

I asked you if there is a Win7 optimized defaults setting in BIOS.
There isn't anything I could find about Win7 optimized defaults. That would be too easy.