previous-next grayed out

[Mister Bluster]

This is a simple thing probably, that I just can't find referenced anywhere -
If a folder of images is opened, on either the Mac Mini or Macbook I own,
and an image is previewed, the previous-next buttons are grayed out. I
assume these buttons are for going back and forth through the images in
the folder similar to Windows Picture Viewer (which would be nice) but I
can't get them to activate.

 

[richard.mac]

you have to open all the images you wish to view in Preview. otherwise use Quick Look and arrow in the direction of the next file (left/right for icon view and up/down for list, column and cover flow view).