gtx 960m crash in linux mint 17.3 after install 361

the screen is in black after install properly 361 and nvidia-setting, i read and probe many solves but dont work my laptop is new
dual boot win 10 + linux mint 17.3
laptop: GL752VW

i follow this steps:
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt update
sudo apt-get install nvidia-361 nvidia-settings

but after reboot my screen is in black
kind regards