I know how to modify xorg.conf and get it to start at about 1024x768, but I can't get it to start at 1600x1200. It is quite an inconvenience to have to go and manually start them up each time. We are using these servers as automation agents. We are browser testing using sikuli so we can't go headless.
By default, X will use DDC to probe the monitor for its supported resolutions. If the monitor is not plugged in, then this will not be possible. If you know the characteristics of the monitor, you can program in additional modes through the
If you haven't already, add a
If the monitor is plugged in, you should be able to get this information from the
Then the corresponding
You should then be able to configure that mode even though the monitor is not initially connected.