It depend on the boot sequence of your BIOS. If the SSD is the first one, and you install the grub on HDD, you can't boot up into HDD. You need change the boot order. Or enter the boot menu with F12, after that select HDD to boot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1769404 Title: grub is installed to /dev/sda by default and fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1769404/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs