Microsoft KB Archive/827052

= Universal serial bus (USB) input devices may not work when unsigned drivers are being installed during Windows Setup =

Article ID: 827052

Article Last Modified on 10/11/2007

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APPLIES TO

 Microsoft Windows Server 2003, Web Edition Microsoft Windows Server 2003, Datacenter Edition (32-bit x86) Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems Microsoft Windows Server 2003, Datacenter x64 Edition Microsoft Windows Server 2003, Enterprise Edition Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems Microsoft Windows Server 2003, Enterprise x64 Edition Microsoft Windows Server 2003, Standard Edition (32-bit x86)</li> Microsoft Windows Server 2003, Standard x64 Edition</li> Microsoft Windows XP Home Edition</li> Microsoft Windows XP Professional</li> Microsoft Windows XP Service Pack 1, when used with: <ul> Microsoft Windows XP Home Edition</li></ul>

<ul> Microsoft Windows XP Professional</li></ul> </li></ul>

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<div class="notice_section">

<div class="symptoms_section">

SYMPTOMS
A universal serial bus (USB) input device, such as a keyboard or a mouse, may not work during the Installing Devices portion of GUI-mode Windows Setup. This behavior can prevent Setup from completing: if Setup tries to install an unsigned driver, an Unsigned Driver dialog box appears and requires user input.

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CAUSE
This problem occurs because device installation for a USB version 1.1 companion controller of a USB version 2.0 enhanced host controller interface (EHCI) controller may not have completed by the time the unsigned driver installation occurs. When this behavior occurs, all USB 1.1 devices do not work, including mouse devices and keyboards.

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RESOLUTION
To resolve this problem, use one of the following methods: <ul> Add a driver test signature to suppress the unsigned driver dialog box. For more information about how to obtain and install a driver test signature, click the following article number to view the article in the Microsoft Knowledge Base:

330315 How to obtain a driver test signature

</li> Use unattended Setup to ignore the driver signing policy. For more information about how to perform unattended Setup, click the following article number to view the article in the Microsoft Knowledge Base:

314479 How to add OEM plug-and-play drivers to Windows XP

</li></ul>

Additional query words: usb xp setup unsigned driver installation

Keywords: kbprb kbdriver kbusb KB827052

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