Adobe PS CS2 Crop is Enlarging images

[Junomech]

Help!

Adobe PS CS2's crop tool on my home PC is enlarging my images. Let me explain. I am trying to resize some images to be placed on my web page. I go into CS2, resize the image, then proceed to crop for a specific dimension. But when I size up the crop and press enter, the image is cropped to the specified dimension but the image enlarges ten fold. I am not talking 10 to 20% but like 80 to 100%.

Crop on my laptop works just fine; making me think I turned some feature on to enlarge images when I crop.

Has anyone run into this? If so, how do I fix it?

[Detonate]

Make sure the DPI box is left blank. That's the only time I've seen it resample the image.