No video after 'apt-get update/upgrade'

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http://www.ubuntux.org – I am running Lucid beta1, and following a 'sudo apt-get update -- sudo apt-get upgrade', I no longer have video. It goes to a black screen. I was initially unable to get even to a command prompt through a normal boot, but after booting from the live CD and using chroot on the installed drive partition, I ran 'sudo apt-get remove --purge xserver-xorg' and then reinstalled the xserver-xorg along with the NVIDIA-96 files. I got where I could ctrl-alt-F1 (or alt-F1) to get to a command prompt, but still no video. No xorg.conf file is generated. My computer is an older dual processor AMD6 (Distributions)