Troubleshoot failure to find new mouse connected to your USB port

When you connect a mouse of other device to a USB port on your computer, the mouse is not detected or does not function correctly.

This problem may occur if you previously canceled the detection of a USB device that you connected to a USB port. This problem may also occur if any one of the following conditions is true:

• Previously installed mouse software is not removed correctly before you installed the Microsoft IntelliPoint software.
• You try to use a USB mouse on a Microsoft Windows 95-based computer.
  
  Note The Windows 95 and Microsoft Windows NT 4.0 operating systems do not support USB devices.
• You do not have an available PS/2 pointing device port or USB port on your computer.

To resolve this problem, try the following methods in the order presented.

Reinstall the mouse software

Remove the software. To do this, follow these steps:

1. Open Add or Remove Programs in Control Panel.
   • Windows 7 or Windows Vista
     
     Click Start
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     , type appwiz.cpl in the Start Search box, and then press ENTER.
     
     
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     If you are prompted for an administrator password or for confirmation, type the password, or click Allow.
   • Windows XP
     
     Click Start, click Run, type appwiz.cpl, and then click OK.
2. On the list of installed programs, select Microsoft IntelliPoint, and then click Add/Remove.
3. Follow the instructions to remove the software.
4. Delete the folder where the software was installed.
5. Download and then reinstall the software. To do this, visit the following Microsoft Web site:
   http://www.microsoft.com/hardware/download/download.aspx?category=MK (http://www.microsoft.com/hardware/download/download.aspx?category=MK)

Redetect the device

To resolve this problem, use the Add New Hardware wizard in Control Panel to detect the Microsoft pointing device.

Windows 7 or for Windows Vista

1. Click Start
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   , type Hardware in the Start Search box, and then press ENTER.
   
   
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   If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. Follow the instructions to install the USB pointing device.

Windows XP

Note Microsoft Bluetooth devices require Windows XP Service Pack 2 (SP2) or later versions. Use the Setup wizard to connect your Bluetooth device to the computer.

Microsoft Windows 98 or Microsoft Millennium Edition

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Add New Hardware.
3. Click Next two times.
4. In the list of found devices, click Microsoft IntelliMouse USB, and then click Next.
5. Follow the instructions to complete the detection process.

Note If you are prompted to insert the Windows 98 CD in the CD drive, do so.

Verify that your device is listed in Device Manager

Windows 7 or Windows Vista

1. Click Start
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   , type devmgmt.msc in the Start Search box, and then press ENTER.
   
   
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   If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. Expand Mice and other pointing devices, and then verify that your device is listed.

Windows XP

1. Click Start, and then click Control Panel.
2. Double-click System.
3. On the Hardware tab, click Device Manager.
4. Expand Mice and other pointing devices, and then verify that your device is listed.
5. Click  Close to close Device Manager.

Windows 98 or Microsoft Windows Millennium Edition

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click the System icon.
3. Click the Device Manager tab.
4. Expand Mouse, and then verify that your device is listed.
5. Click  Close to close Device Manager.

Restart the computer in safe mode

Windows 7 or Windows Vista

1. Click Start
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   , click the arrow next to the Lock button , and then click Restart.
2. Use one of the following methods:
   • If the computer has a single operating system installed, repeatedly press the F8 key as the computer restarts. You must press F8 before the Windows logo appears. If the Windows logo appears, you must try again.
   • If the computer has more than one operating system, use the arrow keys to highlight the operating system that you want to start in safe mode, and then press F8.
3. On the Advanced Boot Options screen, use the arrow keys to highlight the safe mode option that you want, and then press ENTER.

Windows XP

1. Click Start, and then click Shut Down.
2. Click Restart the computer, and then click Yes.
3. Press the F8 key.
4. On the Startup menu, select Safe Mode.
5. When Windows has finished loading, close the message about safe mode.

Check Device Manager and remove duplicate devices

Windows 7 or Windows Vista

1. Click Start
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   , type devmgmt.msc in the Start Search box, and then press ENTER.
   
   
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   If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. Expand Mice and other pointing devices, and then view the list.
3. Remove any devices other than the list that you made in the "Check Device Manager" section.

Restart the computer in Normal mode.

Windows XP

1. Click Start, and then click Control Panel.
2. Double-click System.
3. On the Hardware tab, click Device Manager.
4. Expand Mice and other pointing devices, and then view the list.
5. Remove any devices other than the list that you made in the "Check Device Manager" section.
6. Click Close to close the Device Manager.

Windows 98 or Windows Millennium Edition

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click the System icon.
3. Click the Device Manager tab.
4. Expand Mouse, and then view the list.
5. Remove any devices other than the list that you made in the "Check Device Manager" section.
6. Click Close to close the Device Manager.

For more information, click the following article number to view the article in the Microsoft Knowledge Base: To install a USB pointing device in Windows 7 or in Windows Vista, follow the instructions in the "Install a USB device" topic in Windows Help and Support. To view the topic, follow these steps:

1. Click Start
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   , and then click Help and Support.
2. In the Search Help box, type Install a USB device, and then click Search Help.
3. Click the appropriate topic.

To troubleshoot USB device problems in Windows 7 or in Windows Vista, follow the instructions in the "Troubleshoot USB device problems" topic in Windows Help and Support. To view the topic, follow these steps:

1. Click Start
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   , and then click Help and Support.
2. In the Search Help box, type Troubleshoot USB device problems, and then click Search Help.
3. Click the appropriate topic.

For help with device problems in Windows Vista, visit the following Microsoft Web page: