Questions about Hibernating your computer

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ncderek

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#1 ncderek
Member since 2004 • 5513 Posts

Never used it, stand by always freezes, used to just leave my computer on 24/7 or shut off at night, but want to start saving money on utility bill and think that shutting and restarting my pc several times a day is probably bad for it. Is hibernating the same as shutting down your computer completely with all power off but the only difference being it doesnt restart your operating system and programs? Will this save just as much power as shutting to down? Does it wake up instantly like standby would? thanks!

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Kurushio

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#2 Kurushio
Member since 2004 • 10485 Posts
Turning off your PC wont really hurt it and i do it if im not going to be on it for atleast an hour or more. Also maybe in power management set it up so that if you do walk away or whatever after an hour or two it can go to standby or hibernate. That would also save energy.
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imprezawrx500

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#3 imprezawrx500
Member since 2004 • 19187 Posts
computers can be turned on and off without hurting them. Hibernating just saves everything in the ram to the hdd then turns off, no different from shutting down but it starts up much faster.
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ncderek

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#4 ncderek
Member since 2004 • 5513 Posts
computers can be turned on and off without hurting them. Hibernating just saves everything in the ram to the hdd then turns off, no different from shutting down but it starts up much faster. imprezawrx500
so it starts up like 10x as fast, and still saves the exact amount of energy by still shutting it down completely?
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Gog

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#5 Gog
Member since 2002 • 16376 Posts

It's usually faster but not nearly 10x faster. If you have lots of ram and/or a slow HDit could even be slower. What it does is write the ram contents to the HD, shut down and reload the content from the HD in the ram when you start up again. I use it all the time on my laptop but never on my desktop.

Some programs don't cope well with hibernate (they no longer work after coming back from hibernation) and you can have network issues (since windows thinks the network connection is still the same while the network was obviously cut)

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PipeBigboss

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#6 PipeBigboss
Member since 2006 • 213 Posts

Hibernating will save the information in the RAM but will waste energy for the RAM, the RAM needs energy to mantain the data load so will use some in the case of a deskop a few mW and in the case of the Laptop the battery if the computer is unpluged. About the performance in speed, hibernating will load faster because the info of the kernel and other drivers is in the RAM but for example if you are working on a wireless link and a program that use wireless, this program could fail because the protocols are down while they go up again but maybe the program in that case needs to be reopened. Let me know if you have any question.

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cornholio157

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#7 cornholio157
Member since 2005 • 4603 Posts

i always use this when im not going to come back in 2 minutes or less. startups are faster this way but you should still shut down and reboot every once in a while

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Lyron-Baktos

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#8 Lyron-Baktos
Member since 2008 • 334 Posts

I used to put my computer to sleep instead of turning it off, but every since I added a 2nd GTX 260 for SLI it doesn't want to wake back up properly with SLI enabled, so now when I go to sleep at night I shut down my PC.

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mike4realz

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#9 mike4realz
Member since 2003 • 2577 Posts

Hibernating will save the information in the RAM but will waste energy for the RAM, the RAM needs energy to mantain the data load so will use some in the case of a deskop a few mW and in the case of the Laptop the battery if the computer is unpluged. About the performance in speed, hibernating will load faster because the info of the kernel and other drivers is in the RAM but for example if you are working on a wireless link and a program that use wireless, this program could fail because the protocols are down while they go up again but maybe the program in that case needs to be reopened. Let me know if you have any question.

PipeBigboss
umm dude u got it wrong...hibernating saves information from the RAM to the HDD and powers off the computer
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ncderek

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#10 ncderek
Member since 2004 • 5513 Posts
[QUOTE="PipeBigboss"]

Hibernating will save the information in the RAM but will waste energy for the RAM, the RAM needs energy to mantain the data load so will use some in the case of a deskop a few mW and in the case of the Laptop the battery if the computer is unpluged. About the performance in speed, hibernating will load faster because the info of the kernel and other drivers is in the RAM but for example if you are working on a wireless link and a program that use wireless, this program could fail because the protocols are down while they go up again but maybe the program in that case needs to be reopened. Let me know if you have any question.

mike4realz
umm dude u got it wrong...hibernating saves information from the RAM to the HDD and powers off the computer

so no energy for the ram?
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#11 mike4realz
Member since 2003 • 2577 Posts
[QUOTE="mike4realz"][QUOTE="PipeBigboss"]

Hibernating will save the information in the RAM but will waste energy for the RAM, the RAM needs energy to mantain the data load so will use some in the case of a deskop a few mW and in the case of the Laptop the battery if the computer is unpluged. About the performance in speed, hibernating will load faster because the info of the kernel and other drivers is in the RAM but for example if you are working on a wireless link and a program that use wireless, this program could fail because the protocols are down while they go up again but maybe the program in that case needs to be reopened. Let me know if you have any question.

ncderek
umm dude u got it wrong...hibernating saves information from the RAM to the HDD and powers off the computer

so no energy for the ram?

yes since ur computer is off
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JigglyWiggly_

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#12 JigglyWiggly_
Member since 2009 • 24625 Posts
[QUOTE="mike4realz"][QUOTE="PipeBigboss"]

Hibernating will save the information in the RAM but will waste energy for the RAM, the RAM needs energy to mantain the data load so will use some in the case of a deskop a few mW and in the case of the Laptop the battery if the computer is unpluged. About the performance in speed, hibernating will load faster because the info of the kernel and other drivers is in the RAM but for example if you are working on a wireless link and a program that use wireless, this program could fail because the protocols are down while they go up again but maybe the program in that case needs to be reopened. Let me know if you have any question.

ncderek
umm dude u got it wrong...hibernating saves information from the RAM to the HDD and powers off the computer

so no energy for the ram?

Leaving the info on the ram requires the ram to still be powered, that's called sleep. It's faster and it would probably be better to use sleep on a desktop. Few reasons, it's a lot quicker startup, your desktop is plugged in and it uses less power than leaving the desktop on. Down side to this is often your computer's fans will still be on if it's not setup correctly.
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muirplayer

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#13 muirplayer
Member since 2004 • 406 Posts

Never used it, stand by always freezes, used to just leave my computer on 24/7 or shut off at night, but want to start saving money on utility bill and think that shutting and restarting my pc several times a day is probably bad for it. Is hibernating the same as shutting down your computer completely with all power off but the only difference being it doesnt restart your operating system and programs? Will this save just as much power as shutting to down? Does it wake up instantly like standby would? thanks!

ncderek
If you're going to put the computer on hibernate with no programs running, it'd essentially be the same as shutting it down. Hibernate isn't really used for energy saving means, but for work/project saving means in any event where you may have to turn your computer off while in the middle of completing something. Shutting your computer down often will not hurt it at all. Shutting a computer down is almost like letting it take a dump, which is needed. :) I've never used it, but I find it hard to see how a computer would boot faster from hibernation. It's still booting from the hard drive and loading information to the ram; and if you programs running, that's extra information that has to be loaded which should make the booting process take longer.
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mike4realz

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#14 mike4realz
Member since 2003 • 2577 Posts
[QUOTE="ncderek"]

Never used it, stand by always freezes, used to just leave my computer on 24/7 or shut off at night, but want to start saving money on utility bill and think that shutting and restarting my pc several times a day is probably bad for it. Is hibernating the same as shutting down your computer completely with all power off but the only difference being it doesnt restart your operating system and programs? Will this save just as much power as shutting to down? Does it wake up instantly like standby would? thanks!

muirplayer
I've never used it, but I find it hard to see how a computer would boot faster from hibernation. It's still booting from the hard drive and loading information to the ram; and if you programs running, that's extra information that has to be loaded which should make the booting process take longer.

hibernation actually boots faster than a normal startup because the programs are already pre-loaded and does not need to start up again. i use it on my laptop