If there are video problems then log in to a console (Ctrl+Alt+F1) and
edit "/etc/X11/xorg.conf". Change the Driver in Section "Device" to one
of "nouveau", "nv" or "nvidia", then save and restart gdm.
If there were problems upgrading packages then run 'sudo
dpkg-reconfigure -a'. I've had to do that a few times due to failed
upgrades. I think I've pulled power out of a computer during an upgrade
twice now!
--
Andrew.
--
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