Let me add the following: $ cat /etc/default/fglrx
# Uncomment the next line to enable powerstate switching on ACPI # events for lid open/close and AC adapter on/off FGLRX_ACPI_SWITCH_POWERSTATES=true ** Changed in: fglrx-installer (Ubuntu) Status: Invalid => New -- atievents does not start on boot and does not reduce GPU frequency on battery power in intrepid https://bugs.launchpad.net/bugs/289562 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