Agreeing with others that grub on separate device from windows then just register windows boot in grub and point bios to grub.
Windows, for all its fuckery, doesn't screw with that of which it has no awareness.
Agreeing with others that grub on separate device from windows then just register windows boot in grub and point bios to grub.
Windows, for all its fuckery, doesn't screw with that of which it has no awareness.