Try disconnecting all USB devices and see if you can boot. I got a blinking cursor as well after an upgrade, but in my case it seems to be a problem with Grubs UHCI driver. If I connect my keyboard to a port driven by a OHCI controller grub starts normally.
-- Dell inspiron mini 1010 (Atom Z530 1Gb RAM) won't boot after installing Ubuntu https://bugs.launchpad.net/bugs/641161 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
