Microsoft Update recently released disables Touch Pad

Issue

Microsoft has released an optional update for Ideacom Technology – Input – HID Touch Screen after which touch pad gets disabled. This particular update is not seen in add/remove programs.

Workaround

As a workaround please use on the following methods to correct the issue

Method 1

Perform a System restore before the update installation date

Method 2

Perform a Driver rollback

http://www.microsoft.com/windowsxp/using/helpandsupport/learnmore/driverrollback.mspx

Method 3

1. Open “My Computer” and go to the following location C:\windows\system32\drivers.
2. Find a file named “idcphid.sys” and rename it to “idcphidMODIFIED”
3. Now uninstall the “IdeaCom HID Touch Screen (PS/2)” driver under “Human Interface Devices” in “Device Manager” (Device Manager can be found under “Control Panel” > “Administrative Tools” > “Computer Management”)
4. Your computer will require a restart. After the restart completes your problem should be fixed.

Note: If you JUST uninstall the driver under “Human Interface Devices” it will find the driver after the first reboot and reinstall itself. A second reboot will show that your mouse is not working again. By renaming or deleting the “idcphid.sys” file it can’t reinstall itself apparently.

Solution:

Issue has been escalated to MS technical team, a new update is to be released shortly. ETA Unknown at this point of time.

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