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The wireless keyboard and mouse become unresponsive for a while after you try to resume a Windows Vista Service Pack 2 or Windows 7-based computer from sleep
Article ID: 969711 - View products that this article applies to.
On a computer that is running Windows 7 or Vista with Service Pack 2 (SP2), you press any key on the keyboard to resume the computer from sleep or from hibernation. However, the keyboard and the mouse become unresponsive for a long time after the logon screen appears. It may take more than twenty seconds before you can use the keyboard and the mouse.
This issue occurs on some systems that use a wireless keyboard and mouse.
This issue occurs because the USB host controllers that control the wireless keyboard and mouse are not correctly handed off to the operating system.
To resolve this issue, add the ForceHCResetOnResume registry entry for the USB universal host controllers. To do this, follow these steps:
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
Step 1: Determine the specific USB universal host controller
Step 2: Add the ForceHCResetOnResume registry entry for the USB universal host controller
Article ID: 969711 - Last Review: September 23, 2011 - Revision: 4.0