Matplotlib导入失败求助：导入_path时DLL加载失败，指定模块未找到

Hey there, I’ve run into this exact DLL error a few times with Matplotlib on Windows, especially with Python 3.9. Let’s walk through the most reliable fixes to get you up and running:

1. Install/Update Microsoft Visual C++ Redistributable #

This is the most common culprit—Matplotlib relies on Visual C++ runtime libraries that might be missing or outdated on your system:

• Search for "Microsoft Visual C++ Redistributable 2015-2019" in your browser
• Download the x64 version (matching your Python 3.9 64-bit architecture)
• Run the installer, restart your computer, then try importing Matplotlib again

2. Downgrade Matplotlib to a Python 3.9-Compatible Version #

Newer Matplotlib versions (3.8+) dropped support for Python 3.9. Let’s install a stable, compatible version:

• First, uninstall your current Matplotlib:

  pip uninstall -y matplotlib
  

• Clear pip’s cache to avoid corrupted leftover files:

  pip cache purge
  

• Install a verified compatible version (3.7.1 works perfectly with Python 3.9):

  pip install matplotlib==3.7.1
  

3. Verify Python Installation Integrity #

A corrupted Python install can sometimes cause DLL-related issues:

• Run python -m pip check to scan for broken dependencies
• If errors pop up, repair your Python installation via the original installer (select "Modify" then "Repair")

Original Error Log:

Traceback (most recent call last):
  File "c:\Code\Python\matlibb\main.py", line 1, in <module>
    import matplotlib as mpl
  File "C:\Users\Acer A517\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\__init__.py", line 107, in <module>
    from . import _api, cbook, docstring, rcsetup
  File "C:\Users\Acer A517\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\rcsetup.py", line 26, in <module>
    from matplotlib.colors import Colormap, is_color_like
  File "C:\Users\Acer A517\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\colors.py", line 82, in <module>
    from matplotlib import _api, cbook, scale
  File "C:\Users\Acer A517\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\scale.py", line 18, in <module>
    from matplotlib.ticker import (
  File "C:\Users\Acer A517\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\ticker.py", line 179, in <module>
    from matplotlib import transforms as mtransforms
  File "C:\Users\Acer A517\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\transforms.py", line 46, in <module>
    from matplotlib._path import (
ImportError: DLL load failed while importing _path: Das angegebene Modul wurde nicht gefunden.

内容的提问来源于stack exchange，提问作者salzig1