A friend of mine has two Macs, one older iMac and one rather new MacBook Air. Both of them have macOS 10.12.6 Sierra running.
She had lately on both of her computers strange things in Photos happen. When she would crop a photo and play around back and forth with the detail before clicking "Done" the photo (and also the thumbnail) would become simply black.
When I looked today at her computers I found everything to be OK on the iMac. There were no black photos and I could play with cropping as much as I wanted and everything was OK. (I actually suspect that she had no problems here but mixes the computers up.)
On her MacBook Air, however, were several black pictures, and it was not possible to restore them by repairing the library or by deleting the com.apple.Photos.list file. I cropped around a little bit in newly imported photos, and it basically worked. But when I had gone back and forth with the detail before clicking "Done" the thumbnail in the end was looking really weird, showing parts of the picture double or just black, for example.
I then exported all photos, deleted the library, created a new library, and imported the photos into the new library. The bad news was that the cropping was still not working correctly and at least showing distorted thumbnails when there had been a lot of back and forth with the detail before clicking "Done."
I have no idea what is going on there. Does anybody here know what might be wrong here and how to fix it? Thanks.
She had lately on both of her computers strange things in Photos happen. When she would crop a photo and play around back and forth with the detail before clicking "Done" the photo (and also the thumbnail) would become simply black.
When I looked today at her computers I found everything to be OK on the iMac. There were no black photos and I could play with cropping as much as I wanted and everything was OK. (I actually suspect that she had no problems here but mixes the computers up.)
On her MacBook Air, however, were several black pictures, and it was not possible to restore them by repairing the library or by deleting the com.apple.Photos.list file. I cropped around a little bit in newly imported photos, and it basically worked. But when I had gone back and forth with the detail before clicking "Done" the thumbnail in the end was looking really weird, showing parts of the picture double or just black, for example.
I then exported all photos, deleted the library, created a new library, and imported the photos into the new library. The bad news was that the cropping was still not working correctly and at least showing distorted thumbnails when there had been a lot of back and forth with the detail before clicking "Done."
I have no idea what is going on there. Does anybody here know what might be wrong here and how to fix it? Thanks.