Windows 10 Technical Preview or Windows Server Technical Preview cannot resume from sleep or cannot start

View products that this article applies to.

Symptoms

This issue occurs if the computer uses the StorAHCI driver on non-hybrid Serial Advanced Technology Attachment (SATA) disks.

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Cause

This issue occurs because the StorAHCI driver enables the Power-Up in Standby (PUIS) feature for non-hybrid SATA disks. However, the BIOS does not send a spin-up command to the disk that has the PUIS feature enabled.

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Resolution

To resolve this issue, we have released an update for Windows 10 Technical Preview or Windows Server Technical Preview.

Windows Update

This update is available from Windows Update.

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Update information

Prerequisites

There is no prerequisite to install this update.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More Information

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported 32-bit versions of Windows 10 Technical Preview

File name	File version	File size	Date	Time	Platform
Atapi.sys	6.4.9879.6	23,584	26-Nov-2014	08:25	x86
Ataport.sys	6.4.9879.6	160,280	26-Nov-2014	08:25	x86
Intelide.sys	6.4.9879.6	17,952	26-Nov-2014	08:25	x86
Pciide.sys	6.4.9879.6	14,880	26-Nov-2014	08:26	x86
Pciidex.sys	6.4.9879.6	43,040	26-Nov-2014	08:26	x86
Storahci.sys	6.4.9879.6	100,896	26-Nov-2014	08:26	x86

For all supported 64-bit versions of Windows 10 Technical Preview or Windows Server Technical Preview

File name	File version	File size	Date	Time	Platform
Atapi.sys	6.4.9879.6	28,704	26-Nov-2014	10:19	x64
Ataport.sys	6.4.9879.6	196,640	26-Nov-2014	10:19	x64
Intelide.sys	6.4.9879.6	20,000	26-Nov-2014	10:19	x64
Pciide.sys	6.4.9879.6	16,416	26-Nov-2014	10:19	x64
Pciidex.sys	6.4.9879.6	54,304	26-Nov-2014	10:19	x64
Storahci.sys	6.4.9879.6	121,880	26-Nov-2014	10:19	x64

Additional file information

Additional information for all supported 32-bit versions of Windows 10 Technical Preview

File property	Value
File name	Update.mum
File version	Not applicable
File size	1,578
Date (UTC)	02-Dec-2014
Time (UTC)	22:54
Platform	Not applicable
File name	X86_mshdc.inf_31bf3856ad364e35_6.4.9879.6_none_685ceb89af44250f.manifest
File version	Not applicable
File size	5,261
Date (UTC)	26-Nov-2014
Time (UTC)	08:27
Platform	Not applicable

Additional information for all supported 64-bit versions of Windows 10 Technical Preview or Windows Server Technical Preview

File property	Value
File name	Amd64_mshdc.inf_31bf3856ad364e35_6.4.9879.6_none_c47b870d67a19645.manifest
File version	Not applicable
File size	5,265
Date (UTC)	26-Nov-2014
Time (UTC)	10:24
Platform	Not applicable
File name	Update.mum
File version	Not applicable
File size	2,014
Date (UTC)	02-Dec-2014
Time (UTC)	22:54
Platform	Not applicable

About PUIS

PUIS is a specific hard disk drive (HDD) feature that enables the drive to spin up only when it is necessitated by a command, instead of when turning on the computer. This feature helps save energy or enables staggered spin-up times for multiple disk drives.

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