Today I've tried again Ubuntu 13.04, and doesn't start like Ubuntu 12.04(02). Ubuntu 13.04 shows a full violet screen. I've tried to add nomodeset on kernel, and remove quiet and splash, and this is the error:
init: lightdm main process (2023) terminated with status 1 init: failsafe-x main process (2911) terminated with status 1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1179253 Title: Ubuntu 13.04 doesn't show the GUI on Sony Vaio E series - Radeon 7650M To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1179253/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs