Same problem with Xubuntu 14.10. Suddenly backlight control keys stopped working, and resume when lid is opened only shows black screen. I can get to vt1 and it works normally, but when i go back to vt7 it is still black screen. I will try the xrandr --auto as workaround.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1303736 Title: [SRU] Black screen after wakeup from suspending by closing the laptop lid To manage notifications about this bug go to: https://bugs.launchpad.net/xfce4-power-manager/+bug/1303736/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
