Hi,
I  have  same  question with you , my  machine  is  RTX 2060 Notebook series,   and  i  install  cuda 11.0.3,    cudnn   for  11.0;
UserWarning: CUDA initialization: CUDA unknown error - this may be due to an incorrectly set up environment, e.g. changing env variable CUDA_VISIBLE_DEVICES after program start. Setting the available devices to be zero. (Triggered internally at  /pytorch/c10/cuda/CUDAFunctions.cpp:100.)return torch._C._cuda_getDeviceCount() > 0
Now i am trying to  uninstall  cuda11  and cudnn;
I  was  wondering   what 's  cuda  version  of  your    reinstall  and  before you reintall  did you  unintall the  cuda11  and  cudnn  both?