F16 Nvidia Panning configuration broken since upgrade to xorg.conf via yum

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http://forums.fedoraforum.org – I have F16 for my laptop machine, with both Twin-View and Panning on the "laptop screen" enabled and all has well for about 1 year. 1. I performed a "yum update" and I found that xorg,conf - I believe was available as an update, and I accepted it. The Nvidia driver has not been upgraded for a while. 2. I got a new Logitech TrackBall mouse and I wanted to test it out so I rebooted my PC. - I placed the mouse in a USB 3.0 socket, my USB 2.0 was occupied by my phone. Since that change my Panning, only configured on the laptop screen, is half-working. Main laptop scre (HowTos)