after reboot it seems to solve it. Backlight hotkeys don't work though, but you can try the attached script to adjust backlight when needed. This works on samsung N150+, don't know for others...
** Attachment added: "backlight management script for samsung N150 and potentially others" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/756509/+attachment/2119362/+files/backlight -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/756509 Title: N130 flickering backlight on startup -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs