I also had this problem - not able to resume after sleep - on my Dell Lattitude E6410 both when running Ubuntu 13.10 and after upgrading to Ubuntu 14.04. I tried switching graphic driver as suggested by "Lucky" - from the default Xorg NOUVEAU to NVIDIA's latast available driver. It worked super.
Regards Øystein -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/781402 Title: Ubuntu 11.04 / Unity freezing when screen is 'woken up' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/781402/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs