TensorFlow安装后无法使用，无法找到DLL文件？

解释器版本：Python 3.5.0 (virtualenv)

pip版本：latest

TensorFlow版本：GPU-latest

CUDA版本：10.1

CUDNN版本：与10.1 CUDA兼容

GPU型号：NVIDIA GTX 980M

CPU架构：x86

系统版本：Windows 10 1909 x64

VC运行库：2005-2019 所有库包括x86和x64都装了

P.S.：以前成功运行过，今天突然不行了。用不用virtualenv都不行。

报错信息：

2020-06-20 10:34:48.589626: I tensorflow/stream_executor/platform/default/dso_loader.cc:44] Successfully opened dynamic library cudart64_101.dll
Traceback (most recent call last):
  File "v200620.py", line 4, in <module>
    import tensorflow as tf
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\__init__.py", line 41, in <module>
    from tensorflow.python.tools import module_util as _module_util
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\__init__.py", line 64, in <module>
    from tensorflow.python.framework.framework_lib import *  # pylint: disable=redefined-builtin
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\framework\framework_lib.py", line 24, in <module>
    from tensorflow.python.framework.device import DeviceSpec
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\framework\device.py", line 24, in <module>
    from tensorflow.python.framework import device_spec
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\framework\device_spec.py", line 21, in <module>
    from tensorflow.python.util.tf_export import tf_export
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\util\tf_export.py", line 48, in <module>
    from tensorflow.python.util import tf_decorator
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\util\tf_decorator.py", line 64, in <module>
    from tensorflow.python.util import tf_stack
  File "C:\Users\H\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\util\tf_stack.py", line 28, in <module>
    from tensorflow.python import _tf_stack
ImportError: DLL load failed: 找不到指定的程序。

望各位大神能帮忙看看是怎么回事，我可以提高悬赏

cudnn、cudasdk是否正确安装，设置好环境变量，并且版本兼容？
如果版本不兼容，有一个变通的方法就是强改dll文件名，让系统认为是特定版本的