I've recently upgraded to Lightroom CC (v 6) from Lightroom 5. When importing some photos captured as .jpg files on my Nikon, the previews briefly appear in the Lightroom Library grid, but then disappear, leaving just black rectangles. I've followed the troubleshooting tips in the database for what seems to be a similar issue, but I am running the recommended color management profile.
All other, preexisting photos in the catalog display properly.
Please follow the below steps if you see black images after importing in Lightroom: