JSI Tip 5671. Your Windows XP IntelliMouse Optical scroll wheel does NOT function properly?

The IntelliMouse Optical scroll wheel may NOT function properly on Windows XP if both of the following are TRUE:

- The mouse is connected via a PS/2 port.

- Windows XP was  installed using RIS from a Riprep image.

The user can fix this problem:

1. Start / Run / Main.cpl / OK.

2. Select the Hardware tab.

3. Select Microsoft IntelliMouse Optical Wheel Mouse and press Properties.

4. Select the Advanced Settings tab.

5. Select the Assume wheel is present in the Wheel Detection drop-down list.

6. Press OK and OK.

You can fix the flat image hive by running the following script:

reg.exe LOAD HKLMt
reg.exe DELETE HKLMtControlSet001Servicesi8042prtParameters /v EnableWheelDetection /f
reg.exe UNLOAD HKLMt

You can also set the Wheel Detection option to Assume wheel is present using the registry:

1. Use Regedit to navigate to:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetEnumACPIPNP0F13MOUSE_GUIDDevice Parameters.

2. Double-click the EnableWheelDetection Value Name, a REG_DWORD data type, and set the data value to 2.

3. If the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetEnumACPIPNP0F06MOUSE_GUIDDevice Parameters key exists, Double-click the EnableWheelDetection Value Name, a REG_DWORD data type, and set the data value to 2.

4. Shutdown and restart Windows XP.