+1 - I'm also affected. I've been struggling with this since I've installed 14.04.
http://askubuntu.com/questions/464600/cant-get-monitor-image-back-on- after-toggling-monitor-power-button -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1313539 Title: monitor shows black screen and "no input signal" after turning the monitor off and on manually To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-settings/+bug/1313539/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs