[ubuntu] I can not boot after install ubuntu 12.10 in notebook with windows 8

Hi everyone¡
Im sorry, but mi English is not good
I have an HP 2000 notebook with windows 8 preinstalled
I installed ubuntu 12.10 64-bit together windows
First I traied to do it using wiki, but at restart I can not boot, then I used a live usb, the install was successful, but I still can't boot.
The ubuntu pastebin number is http://paste.ubuntu.com/5640903/

Thanks for all