I wiped my drive (/dev/sda) which contained previous Windows 10 installation by using
gdisk in Arch (which is installed on /dev/sdb) and choosing
z for zap (wiping GPT) and deleting whole partitions by choosing the
Then I tried a clean installation of Windows 10 on that empty drive (/dev/sda).
However, as you can see on the picture, Windows 10 still somehow magically finds entries of previous Windows 10 installations, even though I wiped my drives entirely.
I read about
bcdedit, but where does windows' boot manager get the information from? Can this information somehow be stored on /dev/sdb?
I /dev/sda several times, and still it manages to get the information about previous installations.