Before running software calibration tools, eliminate environmental and physical interference that corrupts capacitive sensor accuracy.
The calibration process was straightforward. Emily was prompted to tap on a series of targets that appeared on the screen, one at a time. She was asked to tap on each target with a finger, and then with a stylus (if she had one). The goal was to help Windows understand the nuances of her touch screen and adjust its sensitivity accordingly. windows touch screen calibration