I have lost all my photos when updated to OS X Yosemite. Can somebody help please?
These are the details of my computer: I have recently updated (1st time ever) to OS X Yosemite. I did not back up any of my stuff and now have lost all of my photos. iPhoto does not exist anymore and I cannot seem to find it on the app store to update (I think it already came installed on the mac) Please could somebody help me get back my photos? There is over 4 years missing. Thanks in advance for all your help.