Questions tagged [hibernate]

Officially known as Safe Sleep Mode. This is the action a Mac takes to stores its entire contents of RAM onto the hard drive.

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59
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4answers
65k views

Do MacBooks have a true “Hibernate” option?

I've recently switched from Windows to a MacBook pro. In Windows, there are the following shutdown options: Standby - the machine goes into a "light sleep" from which it can awaken very quickly (like,...
42
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5answers
67k views

How to add hibernate mode to MacBook Pro

I have recently switched to Mac from Windows hence I do not have much information. I want my Mac to go to safe sleep state on closing the lid. I also need an extra option available somewhere which ...
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2answers
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Do Terminal processes stop if Mac sleeps?

I'm running some Python machine learning programs through Terminal that take hours at a time to finish. If I leave my computer unattended it hibernates - the screen goes off and I have to type in my ...
16
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3answers
6k views

Can Macs be put in hibernation voluntarily?

I know that when you put your Mac laptop to sleep and the battery dies, next time you plug it in it will wake up from the state it was prior to being put to sleep. There are also hacks to get this ...
12
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1answer
18k views

How to make a Mac (Macbook Pro) not hibernate?

I have already set in the Energy Saver of System Preferences that Computer sleep: on Battery Power, Never when plugged in, Never so if I close the cover of the Macbook Pro running ...
11
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4answers
43k views

What happens when I close the lid on my MacBook Pro running OS X?

I'm a new Mac user. What happens when I close the lid on my MacBook Pro running OS X Lion? Is it sleeping? Or hibernating? Something else?
10
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1answer
3k views

Is there a way to hibernate macbook then switch to windows?

I have installed Windows7 by bootcamp on my Macbook, however, every time when I want to switch to Windows, I have to reboot the machine completely. That means I cannot keep my current workspace when ...
9
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2answers
677 views

Recover in-memory Pages data from failed hibernation wakeup

My girlfriend's Macbook crashed while attempting to restore from a hibernated file. The progress bar stopped at ~10%, after which we restarted the computer for a normal startup. This hibernated ...
9
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1answer
195 views

Force my MacBook Air that uses external USB as boot drive to hibernate/suspend to disk?

There are several questions about hibernating (suspending to disk) but most are concerned with battery life and so many answers basically say just use sleep (suspend to RAM) because the battery will ...
6
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1answer
2k views

Switch from sleep to hibernate after set time

Is there a way to set a MacBook Pro (10.8.2) to go into normal sleep when I close the case but then switch to hibernation after, say, 15 minutes? It's clearly capable of going from sleep to hibernate ...
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6answers
8k views

Macbook does not wake up properly after several hours of sleep

When I close my MacBook Pro in the evening, and then open it in the morning, the display is illuminated and the apple is bright but nothing is happening. So I need to push the power button to restart ...
6
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1answer
3k views

How to have my MacBook Pro safely hibernate when out of juice?

My all new MacBook Pro was on the battery, and warned me that the battery was almost finished. I left the Mac take care of himself. Later, I plugged the Mac and I pressed the button Power. Hearing the ...
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2answers
4k views

Issues with installing SSD instead of DVD drive?

It is common to replace a MacBook Pro's hard disk drive (HDD) with an solid state drive (SSD), however, that may pose a threat to the HDD if installed in the optical bay instead of the SuperDrive.* ...
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4answers
1k views

Cannot wake Mountain Lion from safe sleep

I have a late-2010 MacBook Air on which I am running OS X Mountain Lion v10.8.2 with FileVault 2 enabled. When I try to wake it from safe sleep: the panel is backlit but nothing is displayed; the ...
4
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1answer
2k views

16GB of RAM makes MacBook Pro's fans go wild before sleep?

I recently: installed 16 GB of RAM (1600 MHz); on my late-2011 15-inch MacBook Pro; running OS X 10.7, aka Lion; with an Apple SSD drive. According to Apple my MacBook Pro only supports a maximum ...
4
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1answer
483 views

Can Mountain Lion take a sleeping Mac and write the RAM to disk after a timeout?

Is it possible to configure OSX Mountain Lion to go from suspand-toRAM to suspend-to-disk after certain amount of minutes? The default sleep mode seems to be suspend-to-RAM until the battery is ...
4
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5answers
9k views

When resuming from hibernate, weird garbage on screen

For some reason, when returning from an hibernate after i.e. battery drops to 0%, I get this: Mind that this only happens with a few programs, and reopening them works most of the time, and a full ...
4
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1answer
667 views

Entering hibernate mode after delay upon going to sleep mode doesn't work when using power supply

I've successfully set the MAC to enter hibernate mode after 1 minute delay upon going to sleep mode but it works only on battery power. When using power supply, the computer stays in sleep mode after ...
4
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2answers
4k views

MacBook Air 2013 screen issues after sleep

I'm having some issues with my MacBook Air (2013). Whenever the system enters hibernation, as it does after a couple of hours of sleep, the screen gets distorted when it comes back from sleep. When ...
4
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1answer
1k views

Can't hibernate computer MacOS Mojave, no pmset “standby” option

I have a Mid-2009 Macbook Pro 17 inch (5,2), with MacOS Mojave 10.14 installed. I want to enable hibernation (or standby, or deep sleep, or safe sleep) in order to power off the RAM when in sleep mode....
3
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2answers
177 views

What is the safest way to leave my MacBook on 24/7 with macOS Mojave?

I used to use sudo pmset -a hibernatemode 25 to try setting my MacBook to hibernate instead of sleep, so that it pulls power away from the RAM/hard drives, etc. and puts the laptop into a proper sleep....
3
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1answer
823 views

How to hibernate MacBook Pro without a battery

I have a Late 2008 MacBook Pro, that runs only on charger (wall power), because the battery died a long time ago. With battery it used to be able to hibernate to disk, but it seems like I can not get ...
3
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1answer
946 views

After waking-up, how do you know if your mac was hibernating (fully powered off like Windows PC) and not sleeping?

Not sure if my Macbookpro Retina 2015 is waking up from sleep, safesleep or hibernation. I have enabled hibernatemode 25 (via terminal command: sudo pmset -a hibernatemode 25). pmset -g shows ...
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0answers
3k views

Is hibernatemode 25 broken on macOS High Sierra and can it be fixed?

Following the instructions on this article, I've had hibernatemode 25 working since Sierra, El Capitan, and probably Yosemite. It's set via: sudo pmset -a hibernatemode 25 Beforehand, it worked like ...
3
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1answer
349 views

SSD lifetime, hibernation, and mobile TM

I've recently gotten a 2012 MacBook Air 13". It is wonderful, however, I've been stressing about the life of the SSD. I understand that Apple probably would not sell an SSD machine with defaults that ...
3
votes
1answer
674 views

How do to hibernate OS X in order to reboot to Windows 10

I have Yosemite and Windows 10 installed on my Macbook Pro 2015. On Windows 10 I can hibernate. Then press the power button and hold down ALT key to boot from OS X. However, I can't do the same thing ...
2
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3answers
5k views

Can MacBooks backup when in hibernation mode?

Can MacBooks (late 2010 Air in particular) backup when in hibernation mode? The reason why I am asking this is because I want to backup my MacBook air at midnight however I am not sure if my computer ...
2
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2answers
1k views

MBP mid-2012 with SSD, does not hibernate

Specs: 15" MBP mid-2012. Upgraded to Gskill 16GB RAM. Mountain Lion 10.8.2 installed in 128GB Plextor M5 Pro SSD in the optibay. Problem: My MBP doesn't hibernate anymore. Whether when battery runs ...
2
votes
1answer
822 views

Is there a way to make my MacBook Pro running Snow Leopard hibernate with a keyboard shortcut?

Is there a way to hibernate at all? I know if the battery dies when it's sleeping it hibernates, but is there a way to go directly to hibernate with a keyboard shortcut?
2
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1answer
4k views

Force hibernate (deep sleep) in OSX 10.8(.2)

How can you force the computer (in this case a laptop [rMBP]) into the "hibernate" state where it writes the RAM to the HDD/SSD so that the battery can last for the advertised 30 days. I know that ...
2
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1answer
1k views

MacBook: Force hibernation, even on AC power (not battery power)

I've found a number of hints to force a MacBook (or other) into Hibernation mode (ie. write RAM to Disk, and completely power off - so system is back in it's pre-sleep state upon next boot), but they ...
2
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3answers
70 views

Looking for a way to mimic the battery-saving behavior of closing the lid without actually doing so

I'm looking for a way to keep the lid up, yet tell my Macbook Pro Late 2013 to do what it would do if the lid was actually closed. When I close the lid, the battery lasts for a long time, not so when ...
2
votes
1answer
4k views

How to delay hibernation after sleep in Mac mini?

When I press a power button on my Mac mini, it goes to sleep mode and when I press it again, it turns on very quickly. However, after a longer sleep, it hibernates. How can I make this delay longer? ...
2
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2answers
253 views

Cannot alter MBP Power Management Settings

I've got this problem where I can't alter some pmset values in Terminal. I can change them, the changes are registered with pmset -g, but they are ignored. Example: pmset acwake 0 but Mac still ...
2
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1answer
476 views

How do I confirm that my Mac has hibernated?

I believe I've correctly configured my MacBook Pro to hibernate (after a delay) when I close the lid, with the following settings standbydelay 900 standby 1 halfdim ...
2
votes
5answers
3k views

Change in sleep behaviour on MacBook Pro and ignoring settings on Yosemite

Recently (possibly since the 10.10.5 upgrade, but not sure) my MacBook Pro mid 2012 (non-retina) changed its sleeping behavior and I cannot seem to restore it. For years, I used a 48 hour hibernate ...
2
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1answer
1k views

Retina Macbook Pro doesn't hibernate

I have bought a 13 Retina Macbook Pro -my first Mac, just a couple of days ago and I found something odd. Apple claims that after an hour or so of sleep, the Mac should go to deep sleep -AKA ...
2
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2answers
3k views

Do I need Hibernate option ON for my Retina Macbook Pro?

I have a Retina MBP and have the following settings using pmset -g As you can see below, standby is 1 and hibernationmode is 3, meaning that I have DEEP SLEEP turned on, after 7200 seconds. Do I ...
2
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0answers
121 views

Hibernate a MacBook

I have a 12" MacBook and I can successfully hibernate it using pmset (I know for sure it's really hibernating because waking up the laptop shows a progress bar during the resume process). ...
2
votes
3answers
1k views

Macbook Pro: Hibernate vs Shutdown

I'm using a Macbook Pro late 2011, it has been upgraded with a SSD and 8GB RAM. I was curious as to whether putting my mac on hibernation would extend it's life or I should just shut it down every ...
2
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1answer
2k views

How can you make a Mac (2015 Yosemite) hibernate? (Hibernate like Windows PC, ie. save state to disk and fully power down) [duplicate]

Please note: Whilst the older question (4 years ago) Do MacBooks have a true "Hibernate" option? has answers that show a hibernate option exists for Macs, it doesn't detail how to make your ...
2
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2answers
2k views

Windows 8.1 on bootcamp not hibernating

I am running windows 8.1 on macbook pro retina. When i trying to hibernate it is giving me an error A device attached to the system is not functioning.(31) Any thoughts what it could be related to? ...
2
votes
1answer
535 views

How can I enable rEFIt boot volume choice after waking up from hibernation mode?

There are pretty clear answers to the question 'How to put my Mac into hibernation mode voluntary', but there is still an issue for me. I use Bootcamp Windows and rEFIt to select which sistem to load....
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2answers
1k views

Should my iMac hibernate automatically

I've got a 2009 iMac (Intel Core 2 Duo) and I've noticed that the disks never sleep. I ran a power monitor and the iMac is using a third of our electricity every day! I've checked via pmset that ...
1
vote
3answers
319 views

How can I save opened application settings in Mac OS X?

In Linux there is an option to save the currently opened windows such that when you shutdown and boot later, these applications are there the way you left them. It is similar to Hibernate in Windows. ...
1
vote
1answer
582 views

iMac does not hibernate anymore after Mavericks installation

I used to be able to press the power button on my iMac shortly and send it to hibernation. After the update to Mavericks though this ability has disappeared and now only sends it into sleep mode. ...
1
vote
1answer
9k views

MBP won’t wake up from sleep

I have this strange problem with my early-2011 MacBook Pro, running on OS X 10.6.8: as of a month or so, sometimes it does’t wake up from sleep unless I press the power button for a longer period (5-...
1
vote
1answer
403 views

What's causing my MacBook to freeze and reset keyboard settings when I bring it back from a long sleep?

The problem: I recently got a 2018 15-inch MacBook Pro running MacOS 10.14.2 (Mojave). I'm running into a really long freeze when I bring it out of a long sleep (e.g. by opening the lid after ...
1
vote
1answer
2k views

MacOS Sierra sleep mode after a couple of minutes

I am new to Mac and writing codes. When I leave the laptop idle for a couple of minutes, it goes into hibernation or sleep mode and doesn't run it. So, I have to press the power button to activate it. ...
1
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1answer
312 views

Is there a keyboard shortcut for hibernate 25 on a macbookpro retina, without changing power settings?

Question Details: Is it possible to make your macbookpro retina (2015) to hibernate (hibernate mode 25 i.e. fully powered off) via a shortcut? I still want it to go to sleep (the usual default ...