i am using a dell inspiron n4010, for the past few weeks, i was out of station and my laptop was being used by my colleague. when i returned i found that the touchpad button is not working. i tried to disable the touch pad driver - but once the system restarted, the driver also gets reinstalled automatically. due to this touchpad i am loosing my cool when am typing. can some one pls let me know how to disable the touchpad