Fix jupyter can not start at Win

1. Find the Python environment path

import sys
print(sys.path)

2. Find the location of the site-packages directory

image.png

• normally the site-package is in parent folder

3. Add environment variables to the path

• my packages are installed at parent folder

  
  image.png

4. use jupyter at console

jupyter nodebook

5. install jupyter lab

pip install -U jupyter lab

6. use jupyter lab

jupyter lab