Photos broke my image library
When I ran Photos for the first time on my MacBook Air, it ran through some process of importing pictures from iPhoto. I can see thumbnails of them in my library, but if I try to view one larger, I just get a grey triangle with an exclamation mark in it. I can still view all of my pictures in iPhoto. What has gone wrong? Alan Stovold This used to happen occasionally in iPhoto as well. Both the Photos and iPhoto libraries are essentially databases that store the original images, edited versions and thumbnails in different folders. It’s possible to lose the connection between the thumbnail and the original.
Open Photos > Preferences and check the location of your library. It’s normally in ~/Pictures. ≈- click that folder and click Get Info. Check that you have read and write permissions for it, and do the same for the library file as well. If anything looks amiss there, open Disk Utility, select your startup disk, click First Aid, then Repair Permissions.
If your permissions are in order, then the broken link between the thumbnails and the images must lie in the Photos library. Hold ç+å as you open Photos. This will offer to repair the library, which will recreate all the support files and database entries for each image. If even this doesn’t work, close Photos, delete its library file, reopen Photos and reimport everything from iPhoto again.
Tucked away in Photos is an option to repair its library, which can fix broken connections to images.