GNOME Bugzilla – Bug 704106
Add "Make Primary Display" on display settings.
Last modified: 2013-09-03 10:43:17 UTC
To change which monitor is the primary display (that is one with top bar) one needs to start running command line tools or modify XML files - according to things like http://blog.nachtarbeiter.net/2012/01/09/change-primary-monitor-in-gnome-3/ -- Really there should be a clear check box or way to do it from the display setting dialog box. (and if there currently is how?)
Currently you can drag the black bar from the display panel in gnome-control-center, but see https://wiki.gnome.org/Design/SystemSettings/Displays for what might be implemented in 3.10. This is probably a duplicate as well.
The display panel has been re-designed for 3.10 and includes a "Primary" option for each display.
*** This bug has been marked as a duplicate of bug 636216 ***