Hybrid sleep missing after Windows 10 anniversary update

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  1. Posts : 213
    Windows 10
       #1

    Hybrid sleep missing after Windows 10 anniversary update


    Hybrid sleep missing after Windows 10 anniversary update

    Can anybody explain why and how to get it back.

    I go to power options --> advanced settings and under sleep I only get Hibernate after where as before update I got Hybrid sleep option as well.

    Please help.

    Thank you.
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  2. philc43's Avatar
    Posts : 4,973
    64bit Win 10 Pro ver 20H2 Build 19042.868 and W10 Insider Preview Build 21343
       #2

    It should still there after the update.

    It might be worth checking that your registry entry to enable hybrid sleep has not been changed. The setting for HiberbootEnabled should be 1

    Hybrid sleep missing after Windows 10 anniversary update-2016-08-04-1-.png
    Last edited by philc43; 04 Aug 2016 at 07:30. Reason: Corrected spelling
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  3. Posts : 213
    Windows 10
    Thread Starter
       #3

    Thank you philc43 but I have no way of knowing is hybrid sleep works.

    If I use sleep does that mean hybrid sleep is in use?
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  4. philc43's Avatar
    Posts : 4,973
    64bit Win 10 Pro ver 20H2 Build 19042.868 and W10 Insider Preview Build 21343
       #4

    Actually hybrid sleep is off by default in laptops. Please see the following Microsoft Article which explains the reasons why they do this:

    https://blogs.msdn.microsoft.com/old...10-00/?p=10703
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  5. cereberus's Avatar
    Posts : 12,012
    Windows10
       #5

    jaburmester said:
    Thank you philc43 but I have no way of knowing is hybrid sleep works.

    If I use sleep does that mean hybrid sleep is in use?
    Sleep - turns of pc, keeping all things in RAM - needs some low level power all the time (e.g. battery on laptop). Restart is virtually instantaneous

    hibernate - turns of pc, dumping RAM to a file, and Restart writes data back to RAM. PC powers down during hibernate, and Restart takes a few seconds.

    Hybrid does both - keeps stuff in RAM, and dumps RAM to file, so Restart is instantaneous, but if power is lost, data on disk is restored to RAM (slower).

    For laptops without mains power, sleep is usually perfectly adequate unless a dodgy battery. You will get several days easily out of a modern battery in sleep mode.

    I always turn hibernation off on my laptops, and especially on tablets, as the hibernation file takes a fair bit of storage spac.

    Whichever you use, it is dumb to rely on sleep etc. - always make sure open files eg in Word are saved before sleeping/hibernating.
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  6. Posts : 213
    Windows 10
    Thread Starter
       #6

    So as I understand it hybrid sleep on Windows 10 Anniversary Update on laptops can only be used by using powercfg command from command prompt.

    Is this correct or am I missing something?
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  7. philc43's Avatar
    Posts : 4,973
    64bit Win 10 Pro ver 20H2 Build 19042.868 and W10 Insider Preview Build 21343
       #7

    No, the power option is still there for my laptop. I have pasted the screenshot below:

    Hybrid sleep missing after Windows 10 anniversary update-2016-08-04-2-.png
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  8. Posts : 213
    Windows 10
    Thread Starter
       #8

    I do not see it after Windows 10 Anniversary Upgrade I only see Hibernate after.

    Please can someone explain where I am going wrong.

    Thank you.
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  9. philc43's Avatar
    Posts : 4,973
    64bit Win 10 Pro ver 20H2 Build 19042.868 and W10 Insider Preview Build 21343
       #9

    This would suggest that for some reason your Motherboard does not support it. Perhaps during the Anniversary update an updated version of one of the MB drivers was installed that prevents this function. Very strange!


    Edit: new thought - do you have any BIOS setting disabled such as a "Suspend to RAM"?
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  10. Posts : 213
    Windows 10
    Thread Starter
       #10

    I have a Windows Surface Pro 4 and there is no setting Suspend to RAM.

    Anybody else have some suggestions?
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