Solved. just go to BIOS and move SATA Controller Mode from AHCI to Compatibily.
http://ubuntuforums.org/showthread.php?t=1473416&page=2. -- Lucid doesn't start after installing on a Toshiba NB200 netbook https://bugs.launchpad.net/bugs/576282 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