Packages of graphic card driver for GeForce GTX 960M by Ubuntu 14.04
I don't have enough rep to comment. I got Xubuntu 15.10 working on my Inspiron 15 7559, which has a GeForece GTX 960M, with functional suspend mode and the ability to switch between integrated and discrete graphics.
See my answer here:
- Graphics and sleep issues on Dell Inspiron 15 UHD
Another similar question:
- Infinite login loop with Nvidia proprietary graphics
Edit: Removed duplicate content. I learned it is bad practice to post duplicate answers to related questions. Fixed link