How to Disable Touchpad - Compaq 6735s Notebook w/Synaptics Touchpad - Windows Vista Ultimate x64. Like many of us - when I pick up a new notebook - one of the first things I want to know how to do is to disable to onboard touch pad/buttons - when I plug in a wireless or wired external mouse. The Compaq 6735s is a new, lightweight AMD dual core 64 bit system that handles 8GB of RAM and sports a 250GB SATA drive. I found a great deal on this through TigerDirect... The Compaq uses the Synaptics Pointing ......