Microsoft KB Archive/258797

= PS/2 ports are unexpectedly reported in Device Manager when you use a Microsoft pointing device =

Article ID: 258797

Article Last Modified on 10/11/2007

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APPLIES TO


 * Microsoft Habu Laser Gaming Mouse
 * Microsoft IntelliMouse Explorer 4.0
 * Microsoft IntelliMouse USB
 * Microsoft IntelliMouse with IntelliEye
 * Microsoft IntelliPoint 6.1
 * Microsoft IntelliPoint 6.0
 * Microsoft IntelliPoint 5.2
 * Microsoft IntelliPoint 4.12
 * Microsoft IntelliPoint 5.0
 * Microsoft IntelliPoint 5.1
 * Microsoft IntelliType Pro 6.0
 * Microsoft IntelliType Pro 6.1
 * Microsoft IntelliType Pro 5.5
 * Microsoft IntelliType Pro 5.4
 * Microsoft IntelliType Pro 5.3
 * Microsoft IntelliType Pro 5.2
 * Microsoft IntelliType Pro 5.1
 * Microsoft IntelliType Pro 5.0
 * Microsoft Laser Mouse 6000
 * Microsoft Natural Keyboard Elite
 * Microsoft Natural Keyboard Pro
 * Microsoft Natural Wireless Laser Mouse 6000
 * Microsoft Optical Mouse
 * Microsoft Wireless IntelliMouse Explorer 2.0
 * Microsoft Wireless Laser Desktop 6000 v2.0
 * Microsoft Wireless Laser Desktop 6000
 * Microsoft Wireless Laser Desktop 5000
 * Microsoft Wireless Laser Mouse 6000
 * Microsoft Wireless Laser Mouse 5000
 * Microsoft Wireless Notebook Laser Mouse 6000
 * Microsoft Wireless Notebook Optical Mouse 4000
 * Microsoft Wireless Optical Desktop 1.0
 * Microsoft Wireless Optical Desktop Pro 2.0
 * Microsoft Wireless Optical Desktop 2.0
 * Microsoft Wireless Optical Desktop 3.0
 * Microsoft Wireless Optical Desktop 5000
 * Microsoft Wireless Optical Desktop 4000
 * Microsoft Wireless Optical Desktop Elite
 * Microsoft Wireless Optical Desktop Pro 2.0
 * Microsoft Wireless Optical Mouse 2.0
 * Microsoft Wireless Optical Mouse 1.0
 * Microsoft Wireless Optical Mouse 5000
 * Microsoft Wireless Optical Mouse 3000
 * Microsoft Wireless Optical Mouse 1.0
 * Microsoft Natural Ergonomic Desktop 7000
 * Microsoft Wireless Optical Desktop 3000

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This article was previously published under Q258797



Microsoft Windows 98, Microsoft Windows Millennium Edition, Microsoft Windows XP, or Windows Vista
When you view the Device Manager tab in the System Properties dialog box on a Windows 98-based computer, a Windows Millennium Edition-based computer, a Windows XP-based computer, or a Windows Vista-based computer, you may experience the following symptoms:  A PS/2 Compatible Mouse Port may appear under the Mouse branch, even if your mouse is connected to the USB port in the computer. Additionally:  A yellow spot with an exclamation mark may appear on the PS/2 Compatible Mouse Port icon. When you click PS/2 Compatible Mouse Port and then click Properties, you receive the following error message on the General tab:

This device is either not present, not working properly, or does not have all the drivers installed. (Code 24)

Try upgrading the device drivers for this device.

 Interrupt Request (IRQ) 12 may be assigned to the mouse port.  A Standard 101/102-Key or Microsoft Natural Keyboard may appear under the Keyboard branch, even if your keyboard is connected to the USB port on the computer. Additionally:  IRQ 01 may be assigned to the keyboard. Input/Output (I/O) Range 0060-0060 may be assigned to the keyboard.</li> I/O Range 0064-0064 may be assigned to the keyboard.</li></ul> </li></ul>

Microsoft Windows 2000
When you view the Device Manager tab in the System Properties dialog box on a Windows 2000-based computer, you may experience the following symptoms:  A PC/AT PS/2 Keyboard (84-Key) may appear under the Keyboard branch, even if your keyboard is connected to the USB port in the computer.</li> A yellow spot with an exclamation mark may appear on the PC/AT PS/2 Keyboard (84-Key) icon. When you click PC/AT PS/2 Keyboard (84-Key) and then click Properties, you receive the following error message on the General tab:

The device cannot start. (Code 10)

Try updating the device drivers for this device.

</li> IRQ 01 may be assigned to the keyboard.</li> I/O Range 0060-0060 may be assigned to the keyboard.</li> I/O Range 0064-0064 may be assigned to the keyboard.</li></ul>

Note The system requirements for Microsoft Intellipoint Software 5.0 is Microsoft Windows XP, Microsoft Windows 2000 or later operating system.

<div class="cause_section">

CAUSE
This behavior is by design.

<div class="resolution_section">

RESOLUTION
To work around this behavior, contact the computer manufacturer for information about how to configure the BIOS settings for the computer to disable the PS/2 mouse port or PS/2 keyboard port in the computer.

Note If you have to use a PS/2 keyboard to configure the BIOS settings for the computer or to type commands in MS-DOS mode, Microsoft recommends that you do not disable the PS/2 keyboard port in the BIOS settings for the computer.

<div class="moreinformation_section">

MORE INFORMATION
When Windows reports the status of a PS/2 Compatible Mouse Port, a Standard 101/102-Key or Microsoft Natural Keyboard, or a PC/AT PS/2 Keyboard (84-Key), it reports the status of the port itself. It does not necessarily report the status of any device connected to the port.

If a PS/2 mouse port or PS/2 keyboard port is installed on the computer, and the port is enabled in the BIOS settings for the computer, Windows reports the status of the port on the Device Manager tab in the System Properties dialog box.

Additional query words: 1.00 intelli mouse msnkpro resources ps2 devman winme

Keywords: kbhardware kbprb KB258797

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