Dynabook Tecra PT577C-04M020 Synaptics Touchpad Driver 19.4.3.185 for Windows 10 64-bit Oct 11, 2021
This package contains the files needed for installing the Touchpad driver. If it has been installed, updating (overwrite-installing) may fix problems, add new functions, or expand existing ones. Even though other OSes might be compatible as well, we do not recommend applying this release on platforms other than the ones specified.To ...