The installer uses parted so the problem is there. It also does not appear to be a problem with your WD10EARS. parted -l takes no argument, so your /dev/sda argument is ignored. The -l says to list all drives. It listed /dev/sda just fine, then moves on to another drive where it finds a bogus MAC partition table and complains about it. This often happens on a USB stick that has had the installation .iso dd'd to it, since it contains a hybrid DOS/MAC/ISO disk label and this isn't really valid. Choose ignore rather than cancel and it should print the table instead of bailing out.
** Package changed: ubiquity (Ubuntu) => parted (Ubuntu) ** Changed in: parted (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1765769 Title: ubiquity hard disk not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/parted/+bug/1765769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs