Windows 8 and 8.1 Forums


[Q] does Windows 8 really shut down?

  1. #1


    Posts : 6
    Windows 8

    [Q] does Windows 8 really shut down?


    Hello all,

    I'm using Windows 8 Professional (got it from MSDNAA as soon as it appeared there ) and it seems to me that Windows 8 doesn't really shut down properly. I attached an image taken with Snipping Tool and it showed that the CPU up-time is 4 days etc etc..

    The inconsistency here is, I just booted up my laptop few minutes ago. I did shut down my laptop properly every time. The only explanation here is that this 4 days ago was the day when I placed my battery back into the laptop.

    but the laptop supposed to shut down PROPERLY right? can someone explain this to me?

    thank you
    Attached Thumbnails Attached Thumbnails Capture.PNG  

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  2. #2


    Posts : 1,925
    Windows 8.1 Pro


    How are you shutting it down? Pressing the power button? Or going to Settings->Power->Shut Down?

    The reason is that the behavior of closing the lid, or pressing the power button can be configured, and I think laptops are configured for hybrid sleep mode (where it sleeps but also writes to a hibernate file so it can recover if it loses power). Check the advanced power options for your current settings.
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  3. #3


    Posts : 6
    Windows 8


    Quote Originally Posted by Mystere View Post
    How are you shutting it down? Pressing the power button? Or going to Settings->Power->Shut Down?

    The reason is that the behavior of closing the lid, or pressing the power button can be configured, and I think laptops are configured for hybrid sleep mode (where it sleeps but also writes to a hibernate file so it can recover if it loses power). Check the advanced power options for your current settings.
    I shut down using Settings->Power->Shut Down.
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  4. #4


    Posts : 36
    Windows 8.1 Enterprise x64


    No it does so even if you power off by going to Settings->Power->Shut Down....
    But if you restart your system, then CPU uptime restarts from zero. And also if you disable your "Fast Startup" option and then shutdown and power on , CPU time restarts from zero.
    It's all because of "Fast Startup" option. Now i know that this option is made to boot faster but what effect does it have on shutdown??? I guess it doesn't shut down system properly, instead force it into some hypernation mode or so.
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  5. #5


    Posts : 354
    Windows Server 2012 Standard w/Hyper-V


    Fast Startup writes the kernel session to the hibernate file:

    Fast Startup - Turn On or Off in Windows 8
    Last edited by Brink; 05 Oct 2012 at 13:35. Reason: replaced link for the same here
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  6. #6


    Posts : 6
    Windows 8


    ok thanks. So does it really like consume my battery? just want to make sure so that I won't have a day when i turn on my laptop and see that I have no battery left.
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  7. #7


    Orbiting the Moon
    Posts : 2,975
    Windows 10 x64


    Quote Originally Posted by Kebero View Post
    Fast Startup writes the kernel session to the hibernate file:

    Fast Startup - Turn On or Off in Windows 8
    Yes indeed. I'm also using this and it says uptime is 6 days. Gonna see what happens after I remove the power cable.
    Last edited by Brink; 05 Oct 2012 at 13:36. Reason: replaced link for the same here
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  8. #8


    Orbiting the Moon
    Posts : 2,975
    Windows 10 x64


    Removing the power cable doesn't affect anything. The hybrid boot is a good thing.

    If you still want a fresh start once in a while do a restart (just did the test) and the uptime counter resets itself.

    Cheers
    Hopachi
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  9. #9


    Posts : 354
    Windows Server 2012 Standard w/Hyper-V


    Quote Originally Posted by ultimatepichu View Post
    ok thanks. So does it really like consume my battery? just want to make sure so that I won't have a day when i turn on my laptop and see that I have no battery left.
    It does not use any battery. Basically, instead of writing the contents of RAM to hiberfile.sys, the kernel gets written to hiberfile.sys. When the PC is powered on, the system reads the kernel contents directly from the file instead of loading them all from scratch. On an SSD, combined with UEFI, it does make for a speedy boot.
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  10. #10


    Covington, La
    Posts : 1,184
    Windows 7 HP 64bit, Windows 8.1 Pro w/Media Center 64BIT


    Quote Originally Posted by ultimatepichu View Post
    ok thanks. So does it really like consume my battery? just want to make sure so that I won't have a day when i turn on my laptop and see that I have no battery left.
    No, hibernation does not consume power. It writes your memory to the hard disk where it is available the next time you boot. Now the sleep mode keeps the memory alive and consumes a small amount of power.

    Jim
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[Q] does Windows 8 really shut down?
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