Can someone point me in the right direction to start looking at this problem ? sudo system-config-display /etc/X11/xorg.conf Xlib: extension "RANDR" missing on display ":0.0". Traceback (most recent call last): File "/usr/share/system-config-display/xconf.py", line 376, in <module> dialog = xConfigDialog.XConfigDialog(hardware_state, xconfig, rhpxl.videocard.VideoCardInfo()) File "/usr/share/system-config-display/xConfigDialog.py", line 665, in __init__ self.xml.get_widget("secondMonitorLabel").set_text(monitor_list[1].modelname) TypeError: GtkLabel.set_text() argument 1 must be string, not None man system-config-display No manual entry for system-config-display I can't find any documentation -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines