Je me note ca ici car ca vient de me servir:
> diskpart
> list disk
> select disk 1
> list disk # Check the wildcard in front of the disk name
> clean
> create partition primary
> active
> format fs [ntfs|fat32|exfat] label "name" quick
> assign
via
http://orangina-rouge.org/shaarli/?gHl0NQ