On Thursday 21 January 2010 09:37:11 Ron Blizzard wrote: > And I'm curious as to how Xorg determines its monitor resolution > choices when there is no xorg.conf file. X server queries the monitor for supported resolutions by reading the EDID data, and uses the best setting available as the default. See, for example, http://en.wikipedia.org/wiki/EDID . Also take a look inside /var/log/Xorg.0.log and the output of xrandr for what was autodetected. > Is there a good tutorial on > this subject available? man xrandr HTH, :-) Marko