I'm trying to change my screen resolution to 1920x1200 with no luck. I actually did successfully change it, but once I log in it changes back to 800x600
The following has worked for me. Try running this on the command line:
First, make a backup of the config file:
Then configure the display to the resolution you want:
You then have to restart X with ctrl-alt-backspace. I don't know of anyway to restart it on the command line but there could be a way. When I did this for the first time, I didn't restart X, and was mystified at why the resolution wasn't changing.