Seems that strange behaviour happen after I start system to Windows 7, then restart my laptop (soft reboot) to Ubuntu. Restart & restart again to Ubuntu not make brightness keys working.
The issue solved when I shutdown my laptop (hard reboot) then power on again to Ubuntu. --> brightness keys working again (even on AC powered) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1155169 Title: Brightness Keys not working after restarting system from Windows 7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/1155169/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
