Hi I initially had this issue and when I changed my Nvidia drivers to Nvidia binary driver 361.45.18 the problem does not occur while the power is plugged in. Ie I can wake from sleep if the machine was suspended with external power plugged in.
Let me know if you need any info that can help in solving this issue -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1550879 Title: [Dell Inc. Inspiron 7559] suspend/resume failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1550879/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs