why are some of my thumbnails suddenly blank
Some of the thumbnails in my events are blank although when i click on the thumbnail all the pictures are still there. Any idea what happened?
MacBook Air (13-inch Late 2010)
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Include the option to rebuild the thumbnails. It can take 3 or 4 goes for this to work