chocobanana
Level 1 (60 points)

Q: MacBook switches to hibernation during sleep

Hi there,

 

Since installing the MacBook Pro/Air 2.0 update, while my computer goes into sleep mode, after a certain amount of time it switches to Hibernation mode automatically.

 

This means that after X amount of hours (could not figure out yet how many exactly), when I wake up the computer, it actually will wake up from an hibernation state, much more slowly.

 

Anyway to restore the old behavior of waking up from sleep only, regardless of how much time has passed?

 

Thanks!

MacBook Pro, OS X Mountain Lion (10.8.2), 2012 15" 2.6Ghz, Anti Glare

Posted on Nov 16, 2012 1:55 AM

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chocobanana

Q: MacBook switches to hibernation during sleep

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  • by Mea Rhee,

    Mea Rhee Mea Rhee Sep 12, 2015 10:15 AM in response to crystalship
    Level 1 (0 points)
    Sep 12, 2015 10:15 AM in response to crystalship

    Thank you crystalship for your thorough and detailed post. I also have a mid-2012 MBP running Yosemite. Your post was the first post I found that confirmed that this solution works with Yosemite. I ran the command in Terminal yesterday, and today my MBP is snoozing in regular-sleep mode.

     

    Note to everyone: I have owned this MBP for 6 months, and did not encounter the hibernation issue until recently, because I usually keep an external hard drive in the firewire port. If you have connected devices that draw any power, the MBP stays in regular-sleep mode and will not hibernate. Recently, I changed my external hard drive habits, and discovered how annoying hibernation is.

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