my screen comes back on after sleep for a few hours
Why does my screen come back on after it has been of for a few hours without anyone touching it.😕
iMac, OS X Yosemite (10.10.2)
Have you got "wake for network access" checked? If so, uncheck. You can also read the detail of energy saver by going to ...
Apple logo (top left) > Systems Prefs > Energy saver > and select the small question mark in the bottom right corner.