Most computer touch-pads, work on the principle of measurement and or change in capacitance of capacitance sensors embedded under the touch pad. Capacitance sensors are laid under the touch pad in...
Capacitance occurs when the tip of a finger meets the screen because the finger is electrically conductive and a human nail is not. . . or, I should say the nail is greatly resistant to the...
the following question:Are you using the correct type of digital pen? Try rebooting the notebook.Check Device Manager for errors.Try updating device drivers and flashing BIOS.