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Windows 7: Sleep, hibernate, or off?

13 Mar 2011   #11
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Here we go Cluberti:appears Hybrid Sleep is not supported. Is hybrid sleep hardware related
?
Quote:
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>powercfg -a
The following sleep states are available on this system: Standby ( S3 )
The following sleep states are not available on this system:
Standby (S1)
The system firmware does not support this standby state.
Standby (S2)
The system firmware does not support this standby state.
Hibernate
Hibernation has not been enabled.
Hybrid Sleep
C:\Windows\system32>



My System SpecsSystem Spec
.
13 Mar 2011   #12
cluberti

Windows 10 Pro x64
 
 

If you've disabled hibernation via powercfg, then you can't use hybrid sleep. Your output says hibernation has not been enabled, so use powercfg to enable hibernate (powercfg /hibernate on), reboot, and see what happens.
My System SpecsSystem Spec
13 Mar 2011   #13
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Thanks Cluberti.

Yes, you are correct, I disabled hibernation to try and conserve some space on my SSD. Is there anyway to tell how much space is required for the hibernate file?

Regards,
Golden
My System SpecsSystem Spec
.

14 Mar 2011   #14
cluberti

Windows 10 Pro x64
 
 

The hibernate file will require disk space equivalent to 75% of RAM, although the hibernation's disk footprint can be tweaked. Note that if you configure a hibernation file smaller than the system needs, it WILL bugcheck. So, 75% is the recommended size, and Microsoft (if you read that paper carefully) does not recommend or support anything less than 75% on a production system. On your system, if your specs are correct (8GB of RAM), the hibernation file will take ~6GB of space (6144MB) in it's default config (75%).

And before you ask, no, you cannot relocate the hiberfil.sys file to another location, due to the way the filesystem drivers work at that low level.
My System SpecsSystem Spec
14 Mar 2011   #15
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Thanks for the explanation Cluberti.

I have about 35GB free on my SSD, so 75% of 8GB RAM is certainly not a huge amount of space, and I can afford that easily. I''l enable that and let you know how it goes, but it seems straightforward enough

Thanks again,
Golden
My System SpecsSystem Spec
15 Mar 2011   #16
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Some feeback Cluberti : its all good. powercfg /hibernate on turned on hibernation and sleep mode is now defaulted to hybrid sleep.

Thanks again.
My System SpecsSystem Spec
15 Mar 2011   #17
cluberti

Windows 10 Pro x64
 
 

- good to hear.
My System SpecsSystem Spec
Reply

 Sleep, hibernate, or off?




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