When I just start up CS, my images "autosize" for lack of a better word: the window size adjusts to the image size so the whole image shows as long as it is smaller than the room available on my monitor and no up/down or left/right tabs appear next to the image window. Now, after I have viewed the image by double-clicking on the top blue title bar and gone back to Standard Screen Mode, the window size stays the same and not the whole image shows. How can I restore what I call "autosize" and what is the correct term anyway?
The only way that I know to restore "autosize" is to quit Photoshop and start over; incredibly annoying to say the least.

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