Sometimes Touchpad doesn't work after resuming from Display off or Standby

Sometimes Touchpad doesn't work after resuming from Display off or Standby

If you machine encountered Touchpad which is unable to function properly or not functioning after resuming from Display off or Standby mode and your machine is running on Window 8.1, Microsoft is aware of the problem and fix has been develop.

This behaviour happen only Windows 8.1 notebook PC which support Precision Touchpad device. This is caused by data error between Win32k.sys and touchpad bus.


Please find the below link published by Microsoft at their knowledge base website with hotfix.


If endusers install KB2955164 which is available as May update in Windows Update, the KB2954015 is already included, but the fix is not displayed in installed hotfix list.




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