On Thu, Nov 3, 2016 at 11:30 AM, Mark <mark2015@openmailbox.org> wrote:
All I got was a grey page with the text "Oh no! Something has
gone wrong.

When using the Nvidia proprietary driver, when I have this happen, the only way I have successfully recovered is to uninstall everything *nvidia* and reinstall clean. I just finished doing that yesterday.

--Greg