Microsoft Plug and Play Pointing Device Not Detected

ID: Q142405

The information in this article applies to:
IMPORTANT: This article contains information about editing the registry. Before you edit the registry, you should first make a backup copy of the registry files (System.dat and User.dat). Both are hidden files in the Windows folder.

SYMPTOMS

When you connect a Microsoft Plug and Play Serial Mouse, Microsoft EasyBall, or Microsoft IntelliMouse to your computer, the new device may not be detected by Windows 95. Running the Add New Hardware Wizard does not correct the problem.


CAUSE

The registry entries for your previous pointing device were not properly removed from the registry. This problem is known to occur when your previous pointing device was a Microsoft, Microsoft-compatible, or Logitech mouse.


RESOLUTION

NOTE: For information about how to edit the registry, view the Changing Keys And Values online Help topic in Registry Editor (Regedit.exe). Note that you should make a backup copy of the registry files (System.dat and User.dat) before you edit the registry.

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows 95. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

To work around this problem, use Registry Editor to remove the registry entries for your previous pointing device. To do so, follow these steps:

  1. Remove the following registry keys


    Hkey_Local_Machine\System\CurrentControlSet\Services\Class\Mouse\<nnnn>

    where <nnnn> is an incremental 4-digit number starting at 0000.


  2. Remove the following registry keys, if they exist


    Hkey_Local_Machine\Enum\Root\Mouse\<nnnn>

    where <nnnn> in an incremental 4-digit number starting at 0000.


  3. Remove all registry keys under the following registry key, if they exist:


    Hkey_Local_Machine\Enum\Serenum


  4. Remove the following registry key, if it exists:


    Hkey_Local_Machine\Software\Logitech\Mouseware


  5. Use the right mouse button to click My Computer, and then click Properties on the menu that appears.


  6. Click the Device Manager tab.


  7. Click each serial pointing device, and then click Remove.


  8. Click OK.


  9. Restart Windows 95.


When you restart Windows, the attached pointing device will be detected and the appropriate drivers will be installed.

Additional query words: 


Keywords          : kbhw kbsetup winpnp win95 win98 
Version           : 95
Platform          : WINDOWS 
Issue type        : kbprb

Last Reviewed: January 27, 1999