Ubuntu
gnome-power-manager package

  1. Bug #158927
  2. Comment #1

Comment 1 for bug 158927

Revision history for this message
Andrei Kouznetsov (andrei-kouznetsov) wrote :

I can put my monitor into sleep executing
xset dpms force off

I've reinstalled gnome-screensaver, but it didn't help. So, I've disabled gnome-screensaver and instaled xscreensaver. Now it works.
But it is a work around, but not the solution.