Is there a difference between "Idle" and "Sleep" modes (for iMac 27" late 2009 model)
iMac (27-inch Late 2009), OS X Yosemite (10.10.3), Built in optical drive
Posted on May 16, 2016 7:20 AM
Q: "Idle" vs "Sleep" modes
Please read: About Energy Saver sleep and idle modes in Mac OS X - Apple Support
