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Num Lock state not retained after resume from Hybrid Shutdown

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Symptoms

Consider the following scenario:
  • You have a computer running Windows 8 or Windows Server 2012.
  • The registry value InitialKeyboardIndicators is set to a 2 as noted in KB Article 154529.
  • The Num Lock key is currently enabled (ON) after log on.
  • The computer then enters Hybrid Shutdown, either from user input or power management settings.

In this scenario, when the system resumes from Hybrid Shutdown, you notice that the Num Lock key is not enabled (OFF) at the logon screen. You may also notice the same behavior when the system is placed into Hybrid Sleep.


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Cause

This is a known issue with the new Hybrid Shutdown feature of Windows 8 and Windows Server 2012.


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Resolution

To work around this issue, use one of the following options if the user’s password contains characters located on the 10-key pad section of the keyboard to log on to the system:
  • Use the standard number keys at the top of the keyboard to enter any digits in the password.
  • Have the user manually press the Num Lock key to enable it prior to attempting to enter any digits in the password.

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More Information

Note: This issue can be avoided if Hybrid Shutdown is “Disabled.” However, you will lose the power saving benefits of this feature if it is disabled.

For information with regards to the registry value InitialKeyboardIndicators, please see the below KB Article:

154529How do I enable the NUM LOCK key for the logon screen?

For additional information regarding Hybrid Shutdown and Hybrid Sleep, please see the following blogs:

http://blogs.msdn.com/b/olivnie/archive/2012/12/14/windows-8-fast-boot.aspx
http://blogs.msdn.com/b/b8/archive/2011/09/08/delivering-fast-boot-times-in-windows-8.aspx

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Keywords: kb

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Article Info
Article ID : 2847955
Revision : 1
Created on : 1/7/2017
Published on : 5/8/2013
Exists online : False
Views : 311