This also affected me, on Lenovo G580, kernel 4.4.0-34-generic. However, I think I fixed it by appending "nomodeset" to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub, then running sudo update-grub as per http://askubuntu.com/a/722653/478436.
@ileyka/#112 - I was experiencing similar problems with blank TTYs; you could try the solution I mentioned above.
This also affected me, on Lenovo G580, kernel 4.4.0-34-generic. However, I think I fixed it by appending "nomodeset" to GRUB_CMDLINE_ LINUX_DEFAULT in /etc/default/grub, then running sudo update-grub as per http:// askubuntu. com/a/722653/ 478436.
@ileyka/#112 - I was experiencing similar problems with blank TTYs; you could try the solution I mentioned above.