[X4U] Desktop too large for display?

[Thomas W Noel]

You have accidentally turned on "Zoom" in the Universal access System  
Preference pane.


On Dec 23, 2007, at 4:14 PM, Teddi Pomaika'i Stransky wrote:

> Mac Pro; 2 x 2.66 GHz Dual-Core Intel Xeon; 4 GB 667 MHz DDR2 FB- 
> DIMM; OS 10.4.10
> 21" ViewSonic Flatscreen (main video), 17" Dell flatscreen (side  
> video - vertical)
>
> First let me note that I was on the machine yesterday (12/22/07)  
> almost all day and it was fine; I did some photo editing, set up  
> several documents for the local church, chatted online with my  
> sister, and played some games. Both monitors were up and running  
> without issues. For much of the day I was playing a high-end video- 
> intensive MMPORPG game (World of Warcraft) and had no glitches or  
> problems. The machine shut down as normal, and to my knowledge there  
> were no alien spacecraft or cosmic events in the neighborhood during  
> the night.
>
> 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.
>
> I checked all the display settings, as far as I could tell nothing  
> had changed. I then tried changing them, but the same problem exists  
> with different resolutions and display settings. After exhausting  
> all the settings variations I could come up with; I got out my  
> install disks. Booting from the install disk seemed to stabilize  
> things, so I did an "Archive and Install" and rolled the machine  
> back to the OS (10.4.8) which it had on delivery. That went fine to  
> all appearances ... but when I booted up after the install, the  
> problem is still here.
>
> Anybody seen this one before?  I've found nothing on the  
> troubleshooting forums at Apple, but I've not come up with many  
> appropriate search terms. "Desktop too large for display" brought  
> nothing helpful.
>
> Thanks in advance for your input.
>
> Teddi
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