Como desabilitar o mouse Touchpad em notebook Dell (vários modelos)
1) Instalar o driver do Mouse Touchpad (http://support.dell.com/support/topics/global.aspx/support/downloads/en/downloads_splash?c=us&l=en&s=gen&~mode=popup&file=223709)
2) Desabilitar o dispositivo seguindo os passos abaixo:
· Right-click on the icon and select Touchpad Properties.
· Click on the Device Select / Button Settings
· At the bottom, check the box "Disable Touchpad / Pointing stick when external USB mouse is present.
· Click OK