Power Nap not working

Question

Power Nap not working

OK so I have a Macbook Air 11 inch mid 2012 , System identifier 5,1, running 10.8.3

For months now the Power Nap function has not been working (it used to) despite the fact that the required SMC update 1.5 has been installed, this is the one that enables Power Nap on this model. As I say it used to work but has now stopped. I tried re-setting the SMC recently but it has made no difference.

I noticed another SMC update is listed for this model, version 1.8 and though it addresses another issue I downloaded it and tried to install it but get the 'This software is not supported on this system' error message, - despite the fact that its listed for this model by Apple and is not yet installed on my system.

Anyway the question is what now to get the Power Nap functionality back? Re-installation of Mountain Lion?

Thanks

Simon

MacBook Air (11-inch, Mid 2012), Mac OS X (10.7.4)

Posted on May 27, 2013 5:47 AM

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Answer 1

J1999

Level 1

5 points

May 27, 2013 4:47 PM in response to Simon De Trey -White

Before we can answer your question, we must know what the exact issue with powernap is; How can you tell that it is not working?

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Answer 2

May 27, 2013 7:55 PM in response to J1999

No email messages arrive during Sleep. When the MBA is woken from Sleep and you go to Mail the messages are then pulled down from the server instead of being there already

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Answer 3

J1999

Level 1

5 points

May 27, 2013 8:24 PM in response to Simon De Trey -White

Thanks for your clarification. First check to see if PowerNap is actually turned on. Go to System Preferences, then Energy Saver. Secondly, PowerNap periodically checks for new messages. Don't expect to see any major changes (If there is at all) in your inbox, if you don't leave your mac on sleep mode for at least 5-10 minutes.

Hope this helps!

-J

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Answer 4

May 27, 2013 8:30 PM in response to J1999

Thanks but Power Nap is turned on (when plugged into a power adaptor) and I'm leaving the MBA overnight and plugged in, so it has plenty of time to work, but doesnt

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Answer 5

J1999

Level 1

5 points

May 27, 2013 8:33 PM in response to Simon De Trey -White

http://support.apple.com/kb/HT5394

Powernap only updates messages/Emails application(s) when the application(s) are open. If you have "reopen windows" unchecked, it won't update

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Answer 6

May 27, 2013 8:38 PM in response to J1999

Yes, thanks, obviously and I can confirm that the Mail program is open when I notice the non-functioning of Powernap

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Answer 7

May 28, 2014 9:27 AM in response to Simon De Trey -White

I have similar issue on my MacBook air 2014. I don't really care about mail update. It's find my Mac that bugs me. Just like yours, it worked before. I think there are apps that prevent power nap from working. I can never figure out which app though because it takes forever to try. Find my Mac updates every one hour during sleep, so I would have to delete one app and then wait for an hour, and repeat for every app. ***! I did a clean install of the os and it worked, so it's should be app related. I really hate osx.

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Answer 8

Jun 24, 2014 8:10 PM in response to Simon De Trey -White

Power Nap is also not working for me. I have it set to run when on battery, or plugged in After a full day at work, it still needs to download all my messages, etc.

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