I bought one of the new macbooks that came out in October and for the past week the trackpad has been "possessed" it works sometimes, other times it ignores my touch but acts like someone is touching it. It will make the text in my safari window bigger and smaller, navigate to other pages for me, and create new folders on my desktop. There are no problems when I use a usb mouse. I just turned on my macbook and the "F keys" aren't working right. The volume buttons are causing my dashboard to pop up, the next key is causing spaces to pop up, and none of them are working like they're supposed to. How do I fix this? Please help! Thanks so much