Sounds like Universal Access got turned on in System Preferences . . . take a look there and see if it just needs turning off. On Dec 23, 2007, at 19:14, Teddi Pomaika'i Stransky wrote: > This morning when I booted the machine, the display was bizarre. It > appears that the desktop is too large for the screen; I have to > 'scroll' to the top of the screen to reach the Finder bar. As I move > the mouse on the screen, the desktop image shifts to compensate ... > i.e. if I move the mouse to the left, the desktop shifts to the > right, and vice-versa in all directions, including diagonally. This > is true whether I am on the desktop or in an application window, and > affects both monitors. The constant swimming motion is actually > nauseating, as I'm prone to vertigo due to inner-ear birth defects.