wieman01 solution worked. I installed hardy AMD64, dualboot with winXP. I don't know how the wrong UUID got there.
When I removed quiet from /boot/grub/menu.lst kernel line I was able to see something like: "usplash[1257] segfault <blah, blah, blah> error 6" -- [hardy] splash screen disappears after a few seconds https://bugs.launchpad.net/bugs/205990 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