When I select a library file in Lghtroom and then click on Develop, I only get a thumbnail of the photo I have selected in the top lefthand corner of the screen. The main screen is bright blue/green and has no image on it What am I doing wrong?
In the preferences, untick the option to use the Graphics Processor, restart and try again
Dear Mr Pennyworth,
You're a star! Thank you so much, I would never have found this out on my own.
This question come up a few times a week, and does cause problems for many people, I'm pleased I was able to help.