Please try installing CUDA 6.5.25
This is a working version.. The new 6.5.33 doesn't work.
Let me know if it doesn't work. I'll head home and find out what Nvidia driver I use then you can use the combo (Nvidia and CUDA) to get it to work.
System #1: Mac Pro Early 2009, 12GB ECC RAM, Display: GTX 750 Ti 2GB (Maxwell) + CUDA: GTX 980 4GB (Maxwell)
System #2: MacBook Pro /w Retina 15", 16GB RAM, GT 650M 1GB