Daniel, Many thanks, I ran your suggested:
sudo apt-get install xserver-xorg-lts-raring linux-generic-lts-raring installation; took the system all the way down and then booted up from a cold start and everything now seems to be working normally. MANY THANKS, Phil -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1228161 Title: Graphics Adaptor Change fails then works then fails then ... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1228161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs