How to disable the automatic zoom on laptop touchpad on any Asus, Dell or Toshiba
The below steps work on all Dell, HP, Acer, Asus and Toshiba laptops as the problem is with the Synaptics touchpad software and is not a Windows related problem.
Go to Start > Control Panel > Mouse
Choose the Device Settings tab on the right.
Click the Settings… button
On the left there is a menu. Choose Pinch Zoom. Then UNCHECK the “Enable Pinch Zoom” box.
Click Apply at the bottom and OK to exit and save settings and your Done!