** Package changed: ubuntu => gnome-settings-daemon (Ubuntu)

** Package changed: gnome-settings-daemon (Ubuntu) => xfce4-power-
manager (Ubuntu)

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-settings-daemon in Ubuntu.
https://bugs.launchpad.net/bugs/1313539

Title:
  monitor shows black screen and "no input signal" after turning the
  monitor off and on manually

Status in “xfce4-power-manager” package in Ubuntu:
  Incomplete

Bug description:
  I upgraded my xubuntu 13.10 to 14.04 recently. When I turn the monitor off 
and on, it only shows "no input signal". I have to restart x to bring it back 
to work. This never happened on 13.10.
  Booting from xubuntu 14.04 livecd or a clean installion of xubuntu 14.04 
gives the same problem. 
  I tried xset dpms force off/suspend/standby, the monitor works fine after 
resuming. So i suppose it's not dpms to blame.
  My graphics card is Intel HD4600 and my monitor is Dell UP3214Q. The monitor 
is connected with a displayport cable.
  Enable or disable the displayport 1.2 setting of the monitor doesn't change 
anything.
  This issue does not occurs on another computer (with nVidia gfx card+Dell 
U2713HM+DVI cable)

  Reinstall 13.10 solved the problem.

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