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I have a Windows 10 desktop machine and I think that I disabled the "sleep" sometime in the past. However, now I want to enable it again and I just can't figure out how to do it.

First of all, Windows doesn't think that sleeping is an option at all. Only hibernation.

C:\Windows\system32>powercfg /A
   The following sleep states are available on this system:
    Hibernate
    Fast Startup

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.

    Standby (S3)
        The system firmware does not support this standby state.

    Standby (S0 Low Power Idle)
        The system firmware does not support this standby state.

    Hybrid Sleep
        Standby (S3) is not available.

I have checked the group policy, and it looks fine:

Group policy editor, sleep settings

I've also checked the registry database, and as far as I can see it looks as it should:

The only thing I've changed here is that I've disabled RTCWAKE (bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d) because my computer was starting up in the middle of the night and not shutting down again, which was pretty annoying.

Registry editor, RTCwake

As far as I can see there is nothing which is misconfigured in the BIOS, but I can of course be wrong.

Here is a link to my complete current setup: https://www.userbenchmark.com/UserRun/4352121

If anyone has any idea of why Windows doesn't think the various sleep states are available please let me know.

I have a weak memory of trying to disable the normal sleep sates using group policy. Perhaps there is some other setting in there?

Aulis Ronkainen
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Markus
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  • The output of `powercfg` clearly indicates the error is with the firmware. Have you *checked* there is nothing wrong? – Daniel B Feb 02 '19 at 14:14
  • Comparing with your settings: In Group policy "Sleep Settings" all is set to Not configured. – harrymc Feb 02 '19 at 17:20
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    @DanielB I am under the clear impression that the "error" is just a default text for unsupported. It could be an error in the firmware, or (more likely) it's disabled somewhere outside the reach of powercfg – Markus Feb 02 '19 at 20:19
  • @harrymc The reason I enabled them is that you will find people suggesting it here on stack exchange. I can't assure you that setting them to "not configured" doesn't solve the problem, but I left them at "enabled" to avoid getting the suggestion. "Enabled" should be just fine. – Markus Feb 02 '19 at 20:23
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    What is your BIOS make and version and any settings you have in it, maybe called Power Management / Suspend Mode. Especially options mentioning a default suspend mode. Taking a screenshot with your camera is fine. Add detailed info about your Power Plan and its settings. – harrymc Feb 02 '19 at 20:38
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    @Markus No, the error message when disabled by policy reads “The current power policy has disabled this standby state.” As such, this is very much pointing at your BIOS/UEFI settings. – Daniel B Feb 02 '19 at 23:41
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    Try `powercfg -h off`, reboot, `powercfg -h on`,reboot. There is a comment in [this answer](https://superuser.com/questions/805303/computer-hibernates-when-i-tell-it-to-sleep?rq=1) where that fixed sleep. – lx07 Feb 03 '19 at 09:48
  • Could you please answer the above questions. – harrymc Feb 06 '19 at 08:33

1 Answers1

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It looks like you have these options disabled in your EUFI\BIOS. The exact wording will depend upon your motherboard but the options you are looking for will be under APM (Advanced Power Management) or ACPI (Advanced Configuration and Power Interface)

Here is an article about the topic:

http://www.pearsonitcertification.com/articles/article.aspx?p=2024310&seqNum=21

Your MB has the following relevant options in the BIOS:

  • Advanced Menu
  • ACPI Settings
  • Enable ACPI Auto Configuration [Disabled]
  • Enable Hibernation [Enabled]
  • IntelRCSetup menu
  • Advanced Power Management Configuration
  • CPU Advanced PM Turning

Use the APM and Advanced PM Tuning to ensure all the S modes are enabled.

SOURCE: https://dlcdnets.asus.com/pub/ASUS/mb/Socket2011-R3/Z10PA-D8/Manual/E13692_Z10PA-D8_Series_UM_V3_WEB.pdf

HackSlash
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  • The motherboard model is in the link in the question. It is a: Z10PA-D8 . I have looked at all the power settings, and will provide pictures of it soon. – Markus Feb 06 '19 at 14:43
  • @Markus I added some Specific information and a link to the manual. – HackSlash Feb 06 '19 at 16:53