Microsoft KB Archive/281787

= IBM ThinkPad 240x Detects and Installs Joystick Port =

Article ID: 281787

Article Last Modified on 1/15/2006

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APPLIES TO


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional

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This article was previously published under Q281787





SYMPTOMS
When you upgrade an IBM ThinkPad 240x to Windows XP, a gameport joystick is detected and installed even though a joystick port is not present on this laptop model.



CAUSE
The Windows Driver Model (WDM) audio driver for the Crystal CS4281 PCI audio device always enumerates a gameport joystick as a child device. This behavior is known to occur on IBM ThinkPad 240x notebooks even though it does not have a gameport connector.



RESOLUTION
For an updated driver for the IBM ThinkPad 240x Crystal CS4281 PCI audio device, see the IBM Web site at:

http://www.ibm.com

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MORE INFORMATION
The generic driver is working as designed and will install the joystick. The hardware does not provide a way to detect whether a joystick is present. Many notebooks may have a joystick port present when the system is docked. The Wdma_cwr.inf file controls if the joystick port is installed. IBM has a custom Wdma_cwr.inf file for the Crystal hardware on their default install.

Keywords: kbhardware kbprb KB281787

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