thanks, The problem starts when i select the restricted ati driver. i will try to enable the restricted driver and add that line.
-- ati restricted driver gives a black screen of death with an ATI X700 card https://bugs.launchpad.net/bugs/154922 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs