This problem has been sometime for me. Bumblebee-nvidia is used for graphical applications. No matter what kernel version I use, the first boot after a complete shutdown the computer would freeze on plymouth screen, I’d have to manually hit ctrl+alt+del to reboot and then it could load into X.
I bought a brand new Lenovo Y510p 2 months back, and it arrived 2 days ago (what a speed!). Yesterday evening I finally got a chance to install Linux onto my baby. I have to say that wasn’t an easy job. Here are the steps that I did last night.