Originally Posted by lucktsm
I have never had luck trying to use external displays without booting with the display active using Linux. When you try to switch to it the screen is just garbage.
Right, get impression that true with me too; except it does work but it's full of funny glitches - such as screen stays blank untill mouse is moved, etc, etc..
But how the hell does X know how to use the monitor - it hasn't been told about it? Do modern monitors tell X what they are or something?