Hibernation still taking up space after disabling?

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  1. Posts : 531
    Windows 10 Pro x64 Version 21H2
       #1

    Hibernation still taking up space after disabling?


    Hello,

    In Storage settings I noticed that the "Hibernation file" takes 6,37GB of space. After disabling Hibernation mode as well as Hybrid mode in the Advanced Power settings the Hibernation file still takes up the same amount of space. I do have Sleep mode enabled but that shouldn't be using the Hibernation file if I'm right, since Hybrid mode is disabled.

    I can see that the Hibernation file hiberfil.sys is still in C:/ when showing system files.

    Shouldn't disabling Hibernation mode free up that reserved space? I'm using Windows 10 Pro x64 20H2
      My Computer


  2. Posts : 34,882
    Win 10 Pro (1903) (2nd PC is 21H2)
       #2

    Enable or Disable Hibernate in Windows 10

    Have you used the powercfg command as shown there?

    Thanks.
      My Computers


  3. Posts : 531
    Windows 10 Pro x64 Version 21H2
    Thread Starter
       #3

    dalchina said:
    Enable or Disable Hibernate in Windows 10

    Have you used the powercfg command as shown there?

    Thanks.
    Ah that's what I missed. One question though before doing that. I read that Fast Startup also uses the Hibernate feature. When Fast startup is checked and Hibernation is unchecked, does that mean that when clicking "Shutdown" the PC actually partially goes in Hibernation despite it being unchecked?
      My Computer


  4. Posts : 17,607
    Win 10 Home 10.0.19044.1706 (x64) [21H2]
       #4

    JohnnyGui said:
    Ah that's what I missed. One question though before doing that. I read that Fast Startup also uses the Hibernate feature. When Fast startup is checked and Hibernation is unchecked, does that mean that when clicking "Shutdown" the PC actually partially goes in Hibernation despite it being unchecked?


    I don't believe so. I'm pretty sure mine is set that way.
    Gimme a sec to check.
      My Computer


  5. Posts : 34,882
    Win 10 Pro (1903) (2nd PC is 21H2)
       #5

    To quote the tutorial:
    • If you disable hibernate, fast startup will also get disabled.
    • If you disable hibernate, hibernate will no longer show in the Power menu.


    Fast startup requires that hibernate be enabled. If you only want to use fast startup and don't plan on using hibernate, then you can specify the hiberfile type as reduced to significantly reduce the size of the hiberfile (C:\hiberfil.sys) to about half of its full size.
    I.e. if you follow the tutorial, you have the option.

    Last link from the tutorial ->
    Specify Hiberfile Type as Full or Reduced in Windows 10

    You need to decide what you want.. no hiberfil.sys = no fast startup.
      My Computers


  6. Posts : 17,607
    Win 10 Home 10.0.19044.1706 (x64) [21H2]
       #6

    JohnnyGui said:
    Ah that's what I missed. One question though before doing that. I read that Fast Startup also uses the Hibernate feature. When Fast startup is checked and Hibernation is unchecked, does that mean that when clicking "Shutdown" the PC actually partially goes in Hibernation despite it being unchecked?


    Ok... just checked. Fast Startup is Enabled in the BIOS, and Hibernation is disabled.
    Hibernation also, does NOT show in the Power Options.

    I have no hiberfil.sys


    It's been a while, but I believe this is how I disabled Hibernate...
    What Is hiberfil.sys and How Do I Delete It?
      My Computer


  7. Posts : 26,956
    Windows 10 (Pro and Insider Pro)
       #7

    JohnnyGui said:
    Ah that's what I missed. One question though before doing that. I read that Fast Startup also uses the Hibernate feature. When Fast startup is checked and Hibernation is unchecked, does that mean that when clicking "Shutdown" the PC actually partially goes in Hibernation despite it being unchecked?
    Partially true. With Fast startup, Windows write the part of the system (drivers, config etc) in the hiberfile, so it could start faster.. but with HDDs. No need for that with SSD

    Fast startup is not the same as Hibernation. And disable it, it only causes trouble, and not needed with SSD
      My Computers


  8. Posts : 531
    Windows 10 Pro x64 Version 21H2
    Thread Starter
       #8

    dalchina said:
    To quote the tutorial:

    I.e. if you follow the tutorial, you have the option.

    Last link from the tutorial ->
    Specify Hiberfile Type as Full or Reduced in Windows 10
    You need to decide what you want.. no hiberfil.sys = no fast startup.
    My question is not based on when you have completely shut off hibernation using the tutorial but when merely unchecking Hibernation in the Power setttings in Control Panel.

    - - - Updated - - -

    AndreTen said:
    Partially true. With Fast startup, Windows write the part of the system (drivers, config etc) in the hiberfile, so it could start faster.. but with HDDs. No need for that with SSD
    Fast startup is not the same as Hibernation. And disable it, it only causes trouble, and not needed with SSD
    That's actually good to know. So SSD's do not benefit at all regarding boot time duration when Fast startup is enabled?

    - - - Updated - - -

    Ghot said:
    Ok... just checked. Fast Startup is Enabled in the BIOS, and Hibernation is disabled.
    Hibernation also, does NOT show in the Power Options.

    I have no hiberfil.sys


    It's been a while, but I believe this is how I disabled Hibernate...
    What Is hiberfil.sys and How Do I Delete It?
    Hmm, this surprises me since Fast startup does use the Hibernation feature in order to fast boot if I'm understanding it correctly.
      My Computer


  9. Posts : 17,607
    Win 10 Home 10.0.19044.1706 (x64) [21H2]
       #9

    JohnnyGui said:
    My question is not based on when you have completely shut off hibernation using the tutorial but when merely unchecking Hibernation in the Power setttings in Control Panel.

    - - - Updated - - -


    That's actually good to know. So SSD's do not benefit at all regarding boot time duration when Fast startup is enabled?

    - - - Updated - - -



    Hmm, this surprises me since Fast startup does use the Hibernation feature in order to fast boot if I'm understanding it correctly.


    I have no idea. It was enabled by default in my BIOS, so I just left it that way.

    On my system, the latest chipset driver added some Ryzen power plans, which may be slightly different... I dunno.

    I also have a relatively new motherboard with an X570 chipset.
    So maybe something has changed?



    Hibernation still taking up space after disabling?-image1.png
      My Computer


  10. Posts : 26,956
    Windows 10 (Pro and Insider Pro)
       #10

    Fast startup in BIOS has nothing to do with Fast startup - Windows option.
      My Computers


 

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