Modprobe loads nvidia driver but xorg.conf has errors

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http://askubuntu.com – I recently upgraded to 12.10. In the process, my laptop, which is a W520 in a dock, connected to 2 external monitors (the same monitors.. Dell U2400). I finally got the nvidia-experimental-310 driver working with both monitors. Everything was glorious for a few weeks, and then the thing decided to upgrade the kernel and I didn't realize it did that when I asked it to do the apt-get upgrade. After realizing my mistake, I went back and tried reinstalling the nvidia driver, since I assumed it needed to be built against the current kernel again. I couldn't get either the nvidia-current or nvidia (HowTos)