I have not had problem Booting ISO files in BIOS mode in 19.10.
When booting my grub menu shows grub 2.02 at the top.
When I tried upgrading grub it tells me grub 2.04 is already installed.
I have not had problem Booting ISO files in BIOS mode in 19.10.
When booting my grub menu shows grub 2.02 at the top.
When I tried upgrading grub it tells me grub 2.04 is already installed.