Just upgraded to 14.04 and hit this or a similar problem. After opening the Dash, display flashes continually and is not responsive to keyboard. After a few minutes like this even a ssh connection from a remote system is not responsive. Lots of NVRM errors in the kernel.log.
Just upgraded to 14.04 and hit this or a similar problem. After opening the Dash, display flashes continually and is not responsive to keyboard. After a few minutes like this even a ssh connection from a remote system is not responsive. Lots of NVRM errors in the kernel.log.