I had this issue, and the solution is to change the resolution in your monitors.xml file. I don't remember the exact path, but it is in a .settings directory within your home directory. There is a resolution line in the file that you should change to the desired resolution.
-- Screen resolution not correct https://bugs.launchpad.net/bugs/459547 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp