The Sleep option is missing on a Windows 8.1-based computer that uses the Intel Skylake chipset

Applies to: Windows 8.1

Symptoms


You have a Windows 8.1-based computer that uses the Intel Skylake chipset with modern Advanced Configuration and Power Interface (ACPI) settings. When you click the Power button from the Setting charm, the Sleep option is missing.

Note Not all Skylake computers are affected. If the Sleep option exists on the Power menu, this update is not needed.

Power menu

Resolution


Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Note This hotfix enables Windows 8.1 systems that are running the Intel Skylake chipset together with Modern ACPI settings to enter the S3 sleep state. Modern Standby is a Windows 10 feature that is not supported on Windows 8.1

Prerequisites

To apply this hotfix on Windows 8.1, you must have update 2919355 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Note Because of the specifics of this hotfix, an additional restart is needed for the fix to occur. This means that you must restart the computer two times. With the second restart, the Sleep option will appear in Power settings and you can use the S3 sleep state.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

More Information


This update enables Windows 8.1 systems that are running the Intel Skylake chipset with Modern ACPI settings to enter S3 sleep state. Modern Standby is a Windows 10 feature that is currently not supported in Windows 8.1.

References


Learn about the terminology that Microsoft uses to describe software updates.