Black screen after user switch in Ubuntu 14.04.1 LTS, Unity desktop, fresh install (no upgrade from 12.04)
3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Nvidia binary driver ver. 331.113 from nvidia-331 (proprietary, tested)
Black screen after user switch in Ubuntu 14.04.1 LTS, Unity desktop, fresh install (no upgrade from 12.04)
3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Nvidia binary driver ver. 331.113 from nvidia-331 (proprietary, tested)
Pentium Dual-Core E6300 @ 2.8 Ghz
Nvidia GEForce GT640
Board: Asus p5q3