I got it fixed today! From the recovery console, I did apt-get remove xserver-xorg, rebooted and then did apt-get install xserver-xorg. That seemed to correct whatever leftover driver was causing the issue.
I got it fixed today! From the recovery console, I did apt-get remove xserver-xorg, rebooted and then did apt-get install xserver-xorg. That seemed to correct whatever leftover driver was causing the issue.