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[LisaRCT]

I have an ATi 'All-In-Wonder 7500'.  Upon performing a clean system reinstall, I reloaded and updated my ATi drivers.
Since then I have a strange 'problem'
When I changed the resolution from 800x600 up to my normal 1280x1024, instead of the resolution changing as usual, the 'desktop' got larger than my monitor!!  Now when I scroll my mouse pointer to the edge of the screen, the desktop moves across the screen to allow me to see the parts that are off the monitor....... it is like my ddesktop is twice the size of my monitor and I am only seeing 1/4 of it at a time. The resolution did not increase on the screen, the desktop size increased to larger than my monitor.
Is this supposed to happen? A feature perhaps?
How do you turn it off and gain regular control?
Or is there something messed up in my system again?

?

[Yaobing]

I seem to remember seeing somthing about it from ATI. In some circumstances it is what is supposed to happen. I believe if you have a TV set connected as a secondary display, you can not set the resolution on the primary display too high, or your desk top will be larger than your display.

But I also seem to have seen this even when I did not have TV enabled. That seems have happened when I tried reinstalling the driver. Eventually I got rid of the problem by carefully uninstalling and reinstalling.

Installing ATI drivers is a real pain.

[sraymond]

LisaRCT,

Check the display setup...  I remember that every time you install the drivers, it defaults to having the secondary display as a "bullseye" (I forget the techincal name, and I'm not at home to check), which forces the two displays to be similar.  This can create problems with your primary display (monitor).  Change the secondary display (TV) to clone (I think...  the right-hand side choice, in any event) and you should be fine.

Scott-

[LisaRCT]

AWESOME  

This is great . .  I can change it back & forth YAY.
You guys were dead on . .  .
When you have the second display on 'bullseye' (master display) as well as the first, and the two displays are at a different resolution, it causes the main display to 'see' the desktop as if through a 'looking glass' (with view size and magnification proportional to the ratio of the two monitor resolution settings).
When the second display is  an "exact duplicate" of the first , it appears 'normal' on your main display.  
I do not know if this is an intentional feature, or an anomoly, but I like it.  It is really weird to get used to, but once you do it has potential for multi-tasking . . .  you can almost treat it as using an array of 4 monitors, and by moving the mouse to different corners you change focus to a different one of the four.  With the right mouse set-up it can be very convenient once you adjust to it.