I have reinstalled Lightroom but the images are not found when I run the old catalogs. Should I point the catalog somewhere else?
Does the catalog show the previews?
Are there '?' and/or '!' on folders and/or photos? Did you move the photos?
If yes, read here: http://www.lightroomqueen.com/articles-page/lightroom-thinks-photos-missing-fix/
Retrieving data ...