@Paulo This may relate to @Thomas stating "Installed in UEFI Mode, Secure boot off."
I've seen a number of sites trying to install on various ultra-books and tablets all say "must disable secure boot". As this is a component of proper use of UEFI (which should work), I have left it enabled. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1418706 Title: Vivid: UEFI: blank drive incorrectly detected as existing BIOS-mode install To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/partman-auto/+bug/1418706/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs