A common problem with digital camera pictures is that they are over- or underexposed . This problem can be easily corrected with the new Shadow/Highlight adjustment dialog box.
Click on Image . The Image menu will appear.
Point to Adjustments . A submenu will appear.
Click on Shadow/Highlight . The Shadow/Highlight dialog box will open .
Drag to adjust the shadows level . As you drag, the changes will appear on your image.
Drag to adjust the highlight level . As you drag, the changes will appear on your image.
Click on OK . The adjustments will be implemented.