for the sake of completeness: The workaround:
Edit following file: sudo gedit /etc/modprobe.d/options And add this line: options thinkpad_acpi brightness_enable=1 Connor suggested to write "backlight=1", which does not work! -- [Regression] Screen brightness not 100% at boot or resume from monitor sleep https://bugs.launchpad.net/bugs/322610 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
