Why am I getting a login prompt after installation of ubuntu 12.04.1?

view story

http://askubuntu.com – I just installed Ubuntu lts 12.04.1 on my computer from CD using option 2 to wipe Windows from it. The first time I received an error when the computer tried to restart so I reinstalled but now after it restarts all I get is info and a login prompt. Can anyone help? (HowTos)