Hibernation is an inactive computer state in which RAM contents have been saved to non-volatile memory, allowing the computer to completely power down.

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Why is hibernation still used?

I've never quite understood the original purpose of the Hibernation power state in Windows. I understand how it works, what processes take place, and what happens when you boot back up from Hibernate, ...
61
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5answers
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How can Windows dump the complete RAM in the hibernation file so fast?

I was going through an article that explained the hibernation procedure in Microsoft Windows. The main points that I get out of it are Windows dumps the whole RAM (after processing it maybe) in the ...
52
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5answers
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Can hibernating the computer damage the RAM?

I always hibernate my laptop. One of my friends said that hibernating the computer will cause damage to the RAM. From his point of view he said that suspended RAM data stored on the hard disk will ...
51
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4answers
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Where is the Hibernate option in Windows 8?

I recently updated my HP Laptop from Windows 7 to Windows 8 Pro. When running Win 7 I had the option to hibernate my machine but that option is missing in Win 8. Selecting the 'Power' button from the ...
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19answers
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Is it still necessary to shut down computers?

Nowadays with our modern operating systems, is it necessary to fully shutdown computers instead of choosing to stand-by or hibernate computers (desktops and laptops)? Would there be any side-effects ...
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9answers
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Hibernate computer from command line on Windows 7

I am trying to hibernate my computer from the command. I was using shutdown /s /t 20 to shutdown the the computer. I change /s to /h to hibernate and now it just returns the usage text as if it ...
42
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8answers
39k views

How to prevent Windows 10 waking from sleep when traveling in bag?

I am not turning laptop off, but rather putting into hibernation, as it starts much faster and I can continue working without starting all apps again. It was working long time from Windows XP to ...
42
votes
6answers
55k views

Can I set hiberfil.sys to another drive?

I have lack of space on my root(Windows 7) drive. There is hiberfil.sys that size of it is almost 3GB . I know use of hiberfil.sys: HIBERFIL.SYS is a file the system creates when the computer goes ...
36
votes
11answers
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Why does my Windows computer immediately turn back on after sleep/hibernate?

After clicking sleep or hibernate in Windows 7, my computer loads for a while and then goes into sleep mode, but not 1 second later it powers back up. The event log has no errors and no warnings ...
35
votes
1answer
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How to change location of hibernation file in Windows 7?

I can't enable hibernation in Windows 7 because there is not enough room on my C: drive to create the hibernation file. How can I make Windows put the file somewhere else?
33
votes
8answers
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Does Mac OS X support hibernation?

On Windows, you can hibernate your computer, so that it starts a lot faster while consuming zero energy while "hibernating". I see an option to Sleep on my Mac mini but not hibernate. Does Mac ...
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16answers
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Hibernating and booting into another OS: will my filesystems be corrupted?

IMPORTANT If you came here looking for an answer to this question, please read all the answers below. There are some testimonials from people who have lost data doing this. If you plan to do this ...
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4answers
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What are hiberfil.sys and pagefile.sys files, and can I safely delete them?

I noticed two big (~ 2GB) files (hiberfil.sys and pagefile.sys) at the root of my C: drive and wondered what they were. I searched on google and found some interesting links, but did not find any ...
24
votes
7answers
30k views

My Windows 8 PC wakes up every night around 3 am

I just built a new Windows 8 PC, and started using it a few days ago. Every night, I use Hibernate on the computer before I go to bed. The only way to turn it back on is to hit the Power button. ...
23
votes
4answers
26k views

Can I hibernate Linux without a swap partition?

I hadn't set up a swap partition on my PC, because a) I have plenty of RAM (8 GB) and b) I have large harddrives that I didn't want to chop into tiny pieces, so my smallest partitions are 50 GiB, and ...
21
votes
3answers
26k views

Windows 10 waking from sleep with unknown reason

I recently started experiencing an issue with my Windows 10 Pro installation. It wakes from hibernation at seemingly random times. I have done the following to try and troubleshoot the issue: Turn ...
20
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4answers
2k views

How can I make my computer play dead? [duplicate]

Possible Duplicate: Disable power LED blinks during Vista hybrid sleep? I have a laptop that when sleeping is perfectly quiet, which is great. What isn't so great is trying to sleep with ...
19
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8answers
103k views

How to really turn off hibernation in Windows 7

I've tried everything I can think off to turn off hibernation. I have disabled it in power management, used powercfg -h off and it almost works. It works when I execute the command, but when I reboot ...
19
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3answers
8k views

Which of shutdown / hibernate / sleep causes the least wear to an SSD drive?

Having an SSD for the only drive in my laptop I'm wondering which of shutdown / hibernate / sleep causes the least wear to it? Is there any serious test that would measure that? Suppose that the ...
19
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4answers
4k views

Why are computers slow to come back from hibernate?

Hibernation is supposed to write out RAM contents to disk, and coming back from hibernation is supposed to fill back RAM with saved contents. Why is coming back from hibernation slow, e.g. system is ...
18
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7answers
9k views

“Hibernate doesn't use power”… or does it?

Does hibernation use more power than a total shutdown? The oft-given answer is no, but I can't help but wonder if that's a lie: hibernation seems to be an ACPI feature, and a completely different ...
18
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7answers
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Windows fails to resume from hibernation every other reboot

I have a Dell XPS 15z. Under Windows 7, I was seeing the problem where Windows wouldn't resume from hibernation on every other reboot. In other words, I could cold boot, and it would hibernate and ...
17
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4answers
15k views

Delete hiberfil.sys on Windows 7

Ok, so I know what hiberfil.sys is, and I want to use hibernation on my laptop. But I have another hard drive active in my laptop, it's taken from my old one... and I want to get rid of the ...
17
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2answers
3k views

Is it safe to remove USB media when a computer is suspended?

We are often cautioned against unplugging USB drives in case it is currently being read from or written to. When a computer is suspended, hibernated, or asleep is it obviously not writing any data; it ...
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10answers
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Hibernate is disabled, hiberfil.sys gets recreated at each boot

I have Windows 7 running on a small (40GB) partition, with 4GB ram. This means that the hiberfil.sys file created by Hibernate takes up a significant portion of the available diskspace. I would like ...
15
votes
2answers
10k views

Virtual PC: Cannot restore machine from hibernate

I have two virtual machines set up from Virtual PC on Windows 7 Professional: Windows XP Mode and Xubuntu. Last time I used them (last month or so), I had closed them by hibernating. Evidently, I ...
15
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11answers
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Help me find the offending process waking my Windows 7 PC from hibernate every night

Recently my Windows 7 64-bit PC has started waking every night from hibernation around 3:30am. I have done the following to try and figure out what is causing the issue with no luck: Examined the ...
13
votes
1answer
8k views

Can I remotely hibernate a computer?

I know the shutdown command (and the corresponding shutdown /i switch to show the GUI), but is there a way to hibernate a computer remotely in a similar way? The machines are running Windows XP and ...
12
votes
3answers
23k views

How can I manually put a Macbook Pro to hibernate without going to sleep mode first?

I recently got my first Mac computer, a late 2009 Macbook Pro model. I used to put my previous notebook (running windows 7) to hibernate directly in order to save battery but I can't do the same in ...
12
votes
2answers
8k views

Windows Update waking machine from hibernation

One of my family members has a Windows (Vista) machine which is waking itself up from hibernation in an annoying fashion. Some investigation suggests that Windows Update is the guilty party - it ...
12
votes
2answers
20k views

Trigger Task Scheduler in Windows 7 when computer wakes up from sleep/hibernate

I don't want task scheduler or whatever to wake the computer, but when I open the laptop back up and the machine wakes I'd like that to be the trigger that task scheduler or something uses to run an ...
11
votes
3answers
10k views

How to execute a script on sleep, hibernate, resume, and shutdown

I keep alot of my classwork documents hosted on dropbox as well as my personal site for remote storage. This helps alot since I switch between an iPad, laptop and desktop, so there are no worries ...
11
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1answer
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Is there a way to call a script when Ubuntu wakes up from suspend or hibernate mode?

I have a little shell script that I run automatically when I log on to my Ubuntu machine; it will set the parameters of my touchpad the way I like it. However, when Ubuntu wakes up after being ...
11
votes
4answers
4k views

Hibernate from start menu without disabling hybrid sleep?

It's not something I do often, but yesterday I had to pop out unplanned for a while - a little too long to leave the PC sat on or asleep - and wanted to save what I was in the middle of doing by ...
11
votes
7answers
17k views

Hibernate doesn't work in Windows 7 64bit

Hibernate doesn't work in Windows 7 64bit. When I try to hibernate, it just turns off computer and when I turn on it, it doesn't resume and it just starts as 'fresh' again. I updated my drivers. What ...
11
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4answers
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Can I “hibernate” a program?

Yes, I know that hibernate usually applies to a computer. (Hibernate her meaning saving program memory in disk and being able to restore it in a consistent manner.) However, hibernating a program ...
10
votes
2answers
13k views

Stop Chrome from reloading tabs

Recently Chrome updated and since then every time I switch between tabs I have to wait for the activated tab to refresh. Is there a way to tell Chrome to quit hibernating inactive tabs?
10
votes
1answer
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What happen if we reduce the size of hiberfil.sys

I today discovered that we can set the size of the hiberfil.sys using powercfg -H -size 100% command line tool. Ignoring the hard space you will get, what else will change if we set it to powercfg -H ...
10
votes
6answers
15k views

What is the impact of leaving a laptop in “sleep” mode (while on battery power)? [closed]

How much battery would leaving my laptop at "sleep" mode consume? is the consumption low enough so that it would be safe to leave the laptop sleeping at nights regularily and using it tommorow? ...
10
votes
2answers
858 views

Is there a way to hibernate windows applications separately?

Just freeze an application (suspend the CPU, save its state to disk) and 'defrost' it when I want to use it 4 weeks later.
9
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2answers
3k views

What do I have to take care of when hibernating both Ubuntu and Windows (dual-boot environment)

I've got both Windows 7 and Ubuntu (finally) installed on my laptop. For the sake of comfort, I usually hibernate Windows instead of shutting it down. And I think when using Ubuntu regularly, there ...
9
votes
2answers
3k views

How does hibernation work?

I'm wondering how hibernation works. Obviously it writes the contents of RAM to disk, but is there anything else? does it save/restore CPU state? cache state? anything else?
9
votes
1answer
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How to remove hiberfil.sys [duplicate]

I have a small SSD and I want to reclain the space currently used by the hiberfil.sys (~4GB) by disabling hybernation or perhaps preferably, move it to an HDD. I see under "power Options" that ...
9
votes
3answers
2k views

Is there a way to snapshot a running process to disk to restore it later?

I usually work with a lot of instances of visual studio open to different projects, I was wondering if there is a way to snapshot/hibernate a running process to disk instead of closing it so that I ...
8
votes
4answers
22k views

Why doesn't Hibernate work any more (Windows 7)?

I am having a problem with Hibernating my Windows 7 PC. When ever I try to hibernate, the screen goes blank for a while, there's disk activity and then I am presented with the Login Screen. I've ...
8
votes
2answers
328 views

Why is there a lot of disk usage after laptop starts up from hibernation?

When I turn my laptop on after it hibernated and even when I’m at the point where I’m at my desktop and I can… well, use my computer… there is still a lot of (constant) disk writing going on for about ...
8
votes
4answers
8k views

Desktop reboots itself on sleep or hibernate

I have been using an ASUS M2NPV-VM motherboard for main home desktop workstation, operating Windows Vista x64. This computer has right from day one not been able to enter hibernate or standby; after ...
8
votes
1answer
4k views

Hibernate between OS X and Bootcamp Win 7

Is it possible to use the true hibernate system functionalities of Win 7 and OS X to create a kind of instant switching between the two? Imagine this when reading/writing the sleep images to a quick ...
8
votes
6answers
10k views

Unpredictable MBP wake from sleep in Windows 7 Boot Camp

I have a Macbook Pro with Windows 7 installed in Boot Camp. I have serious problems with waking from sleep and not sure why. I have the default Balanced power plan selected. Many times when I close ...
7
votes
3answers
4k views

Why hibernate Windows 8? [closed]

It seems to me that in Windows 8 classic, hibernate is slower than the fast shutdown. Is there any meaningful reason to hibernate a Windows 8 machine (as opposed to fast shutdown or sleep)?