This article describes an issue in which Secure Digital(SD) card reader cannot detect Ultra High Speed Class 3 (UHS-3) card in Windows 8.1 or Windows RT 8.1. You can resolve this issue by using the update or hotfix in this article. Before you install this update or hotfix, check out the Prerequisites section.
This issue occurs because Microsoft Surface does not support the speed of SDR104 (104 MBps). Surface only supports up to SDR50 or DDR50.
How to obtain this update or hotfixTo resolve this issue, we have released an update through Windows Update and Microsoft Download Center. We also have released a hotfix for Windows 8.1 and Windows RT 8.1. Even though this issue has only been observed in Windows 8.1 or Windows RT 8.1, the update or hotfix also applies to Windows Server 2012 R2.
Important Do not install a language pack after you install this update or hotfix. If you do, the language-specific changes in the update or hotfix will not be applied, and you will have to reinstall the update or hotfix. For more information, see Add language packs to Windows.
Method 1: Windows UpdateThis update is available from Windows Update.
Method 2: Microsoft Download CenterThe following files are available for download from the Microsoft Download Center:
Note The update for Windows RT 8.1 can be obtained only from Windows Update.
|All supported x86-based versions of Windows 8.1||Download the package now.|
|All supported x64-based versions of Windows 8.1||Download the package now.|
|All supported x64-based versions of Windows Server 2012 R2||Download the package now.|
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Method 3: Hotfix package for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2A supported hotfix is available from Microsoft. 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 this specific problem.
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, submit a request to 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, visit 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.
Update or hotfix detail information
PrerequisitesTo apply this update or hotfix, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2.
Registry informationTo use the update or hotfix in this package, you do not have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this update or hotfix.
Update or hotfix replacement informationThis update or hotfix does not replace a previously released update or hotfix.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.