If the computer does not have a Synaptics Touch board driver update, then directly install the official website downloaded Synaptics trackpad driver.
If the following conditions occur, you will need to unload the official website download Synaptics Touch-Control Board driver.
Uninstall the latest Synaptics Touchpad driver.
1. Access to the computer Control Panel, the program uninstall completed;
2. Uninstall with third party software;
3. All applications found in the computer icon, the right mouse button, select Uninstall.
I will not speak carefully.
Reboot the computer when the uninstall is complete.
After restarting your computer, locate the official Synaptics trackpad driver that you downloaded, double-click to install it, and remember the path you installed, which you need to run under the installation path. Synaptics installation differs from other drivers.
Locate the installation path, right-click the Synaptics icon, and run as an administrator in order to install in real sense.
After the installation is complete, you can enter the computer control Panel → Hardware and sound, and make the relevant settings.
Then some specific features of the computer can be used.