Really emergency about nvidia driver

i already installed cuda 8.0 but i cant install nvidia driver(375).
when i wrote “nvidia-smi”
response is command not found.

i tried install nvidia driver(375) with this commands:
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt-get update
sudo apt-get install nvidia-375

last command give me some problems.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
nvidia-375: dependencies: nvidia-384 but will not be installed
E: Unable to correct problems, you have held broken packages.

I have to install 375 for cuda 8.0, 384 not work. i dont know what will i do

Dear egomen1083,

Could you please move this topic to CUDA or Driver forum? Because this forum is for Automotive platform. Thanks.

i fixed my problem,idk how to delete post. Can you delete it for me please?