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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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,...
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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 ...
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 ...
5
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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.* ...
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?
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?
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 ...
2
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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 ...
1
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1answer
477 views

IR won't activate screen on 10.8.3 Mountain Lion Mac Mini

I use my Mini for home theatre, but the IR won't active the screen. Using Screen Sharing will activate the screen. I see others have reported this issue with 10.8.2 that went away with 10.8.3. Alas 10....
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 ...
3
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1answer
945 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 ...
3
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1answer
348 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 ...
1
vote
1answer
397 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 ...
0
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4answers
2k views

MacBook Pro (13-inch, Mid 2010) won't go to sleep, nor will it wake up from sleep

Occasionally, my MacBook Pro (13-inch, Mid 2010) won't go to sleep when I close it. When I close the lid, the fans keep going and the computer slowly becomes warmer and warmer, louder and louder. Also,...