Just had a look at my own settings: I have "Dim display when idle" unchecked in the AC power tab, checked in the Battery tab. I am still getting a dark screen every now and then, even though I mostly work on AC power.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1715749 Title: Intermittent black screen on HP EliteBook 840 G1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1715749/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp