This sometimes happens if the device suffered due to a wet damaged, heavily dropped and any related damaged accidentally done by the user. In this case only a hardware repair may only help solved the problem.
This solution below show the Nokia X6 PCB board components that holds and control the touch screen panel to work.
Nokia X6 Touch Screen Failure Solution
You may check this supply voltage first before trying to rework, re-ball or replacing the touch accelerometer chip.