My problem was current outage from the power supply. I've replaced the power supply with a powerful one and all problems solved.
Sorry for all the inconvenience. Best regards. -- Update the FGLRX and NVIDIA driver to 8.6 and 173.14.09 https://bugs.launchpad.net/bugs/246301 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