I am seeing a similar problem with NUC5I7RYH. Both monitors look find at boot-up but one goes blank one you get to the login prompt for X Windows. No flickering. Also on 15.10.
I am seeing a similar problem with NUC5I7RYH. Both monitors look find at boot-up but one goes blank one you get to the login prompt for X Windows. No flickering. Also on 15.10.