Okay - I just buzzed out the cable. It is wired properly (i.e. DMS59:VGA2_RED -> VGA#2:RED, etc). So my money is on the nouveau driver being confused. I'm going to post that issue on the devel list. In the meantime, I'm still interested in the approved manner of tweaking XRandR setting while the GDM login screen is being displayed. Regards -- Charlie -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines