I\'ve installed the latest nvidia drivers (375.26) manually, and installed CUDA using cuda_8.0.44_linux.run (skipping the driver install there, since the bundled drivers are
I had similar problem.I am using anaconda, after installing keras-gpu through conda, it automatically took the most recent version of cuda, which was not compatible with my system.
You can view list of installed packages in anaconda through
conda list
In my case supported version was 10.0 but anaconda installed the latest version 10.1. if this is the case, you need to reinstall cuda in anaconda enviournment with supported version.