MacMini will not go into regular sleep mode. The screen appropriately goes black, but the indicator light stays constantly lit, and the light on the Seagate portable drive (back up memory also stays lit. And the computer stays hot. All programs are off except Safari and Finder, but this never prevented entering sleep mode in the past.
Mac mini, Mac OS X (10.7.5)
Have you tried:
Make an appointment at the Genius Bar of an Apple store.
Test after each of the following steps that you haven’t already tried:
Step 1
Take all the applicable steps suggested in this support article. That's the starting point for any further effort to solve the problem. Skipping any of those steps may mean that the problem won't be solved.
Note that, as stated in the article, the computer will not sleep if some sharing services are enabled. From the menu bar, select
▹ System Preferences... ▹ Sharing
Turn off all sharing services.
Step 2
Select
▹ System Preferences... ▹ Accessibility ▹ Speakable Items: Off
Step 3
Select
▹ System Preferences... ▹ Bluetooth ▹ Advanced...
and uncheck both boxes marked
Open Bluetooth Setup Assistant at startup if...
Step 4
In the Printers & Scanners preference pane, delete any duplicate printers.
MacMini will not go into sleep mode
