MacMini won't go to deepsleep mode

I have a MacMini Late 2012 with 16 GB RAM. I changed the hibernatemode to 3 (sleep and hibernate) using:
pmset -a hibernatemode 3
then verified the change was actually made using:
pmset -g | grep hibernatemode
Then downloaded the DeepSleep widget and activated it. It said "going to sleep", the monitor went off and that was all. I then powered off the mac and then powered on again, but the mac just booted up from scratch instead of return from hibernation.
Did I miss something here?
Victor

Just what did you mean by "It said "going to sleep", the monitor went off and that was all."?
Did it go into deep sleep?
Just what are yo trying to accomplish?

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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
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