reverts to desk top while working
my macbook pro changes screens by itself and after a minute reverts to the desk top
MacBook Pro (Retina, Mid 2012), OS X Mavericks (10.9)
Check your settings in System Preferences>Desktop & Screensaver. If there is not a solution to be found, delete the System Preferences plist per these instructions:
https://discussions.apple.com/docs/DOC-4301
Ciao.