Following Straximus's lead (comment #18), I downgraded to the xfce4-settings package from Saucy. I left the machines allow all weekend long, and this morning the video on both machines worked as expected.
There is a regression bug between xfce4-settings 4.11.0-1ubuntu1 (saucy) and 4.11.2-1ubuntu2 (trusty). -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/1308105 Title: Xfce resets TV mode to NULL when power cycled To manage notifications about this bug go to: https://bugs.launchpad.net/mythbuntu/+bug/1308105/+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