HT201541: Update the software on your Mac
Learn about Update the software on your Mac
-
All replies
-
Helpful answers
-
Jul 25, 2012 5:56 PM in response to pkah100by captfred,If it's there, it's in System Preferences > Energy Saver.
-
Jul 25, 2012 11:51 PM in response to pkah100by t.a.51,Power nap on Retina requires a firmware update which is not yet available.
See http://support.apple.com/kb/HT5394?viewlocale=en_US&locale=en_US
-