After opening the System Preferences hold down the Command and Option key while clicking on the Displays icon. Now you will se an option to rotate the display. By default Apple only enables this option on external displays, but I needed to rotate the built-in display in my MacBook Pro. I’m using Snow Leopard 10.6.1 just for the record.
kicsit off: a magyar feed bejegyzésén kattintva az angol postra jutottam – ez bug, vagy feature?
Inkább bug