yusuf75, thank you for reporting this and helping make Ubuntu better. Are you able to boot into a Quantal live CD via http://releases.ubuntu.com/quantal/ ?
If so, could you please execute the following via a terminal: apport-collect 1099098 ** Attachment removed: "Xorg.0.log.old" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1099098/+attachment/3487396/+files/Xorg.0.log.old ** Tags added: needs-kernel-logs needs-upstream-testing regression- potential ** Changed in: linux (Ubuntu) Status: Confirmed => Invalid ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu) Status: Invalid => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1099098 Title: Mainline Kernel 3.8.0 , black screen after boot with acer v3-771g To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1099098/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs