成功解決ImportError: Could not find 'cudart64_90.dll'. TensorFlow requires that this DLL be installed in

解決問題

ImportError: Could not find 'cudart64_90.dll'. TensorFlow requires that this DLL be installed in a directory that is named in your %PATH% environment variable. Download and install CUDA 9.0 from this URL:

https://developer.nvidia.com/cuda-toolkit

解決思路

導入錯誤：找不到“cudart64_90.dll”。TensorFlow要求将此dll安裝在%Path%環境變量中命名的目錄中。從以下網址下載下傳并安裝CUDA 9.0:https://developer.nvidia.com/cuda-toolkit

解決方法

缺少dll檔案，有兩種情況

T1、重新安裝Cuda及Cudnn

參考文章：TF學習——TF安裝(Cuda/Cudnn)：Win10下安裝深度學習架構Tensorflow+Cuda+Cudnn最簡單最快捷最詳細攻略(圖文教程)

T2、安裝tensorflow

pip install tensorflow-gpu==1.4.0