Ok, this was pretty simple in the end.. The reason why the maximum resolution is not used is because ddcprobe lists the device as being 'crt', and for those devices the highest resolution is cut off (since it rarely is usable).
I'll try to make a fix for this, let's hope it gets in Feisty. ** Changed in: xresprobe (Ubuntu) Assignee: (unassigned) => Timo Aaltonen Status: Confirmed => In Progress -- Dell 2405FPW and resolution 1920x1200 https://launchpad.net/bugs/40422 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs