First I tried to upgrade to 12.04 and then tried a complete install.
Each seemed to progress correctly, but the same thing happened afterwards in each case.
When the system is rebooted, I see the Ubuntu screen and then the command line for a virtual tty terminal.
Ubuntu 12.04 al-HP-Pavilion-dv9000-notebook-PC-tty1 al-HP-Pavilion-dv9700-Notebook-pc login:
I log in and then get:
I enter the password and then get:
Last login: Tue May 1 17:56 CDT (GNU/Linux 3.2.0-24-generic-pae i186) *Documentation: Https://help.ubuntu.com/ 20 packages can be updated. 8 updates are security updates. al@al-HP-Pavilion-dv9700-notebook-pc:~PC:~$
At this point, it does not matter what I enter or do, I simply get returned to the last line above this one.