VSCode v1.60.1中Jupyter Notebook渲染Markdown单元格报错“No renderer found for "text/markdown" a”求助

I’ve dealt with this exact bug in older VSCode-Jupyter setups before—here are the most reliable fixes to get your Markdown cells rendering properly again:

1. Update or Reinstall the Jupyter Extension #

VSCode 1.60.1 is a bit dated, and early versions of the Jupyter extension had known issues with Markdown renderer registration:

• Open the Extensions panel (Ctrl+Shift+X / Cmd+Shift+X)
• Search for Jupyter by Microsoft
• If an update is available, click "Update"; if not, click the menu next to "Installed" and select "Uninstall", then reinstall it
• Restart VSCode completely after this step

2. Reset Jupyter Extension Settings #

Corrupted configs can break renderer associations:

• Open the Command Palette (Ctrl+Shift+P / Cmd+Shift+P)
• Run Preferences: Open Settings (JSON)
• Look for any lines starting with jupyter. that relate to Markdown (like jupyter.markdownRenderer)
• Delete or comment out those lines (use // to comment)
• Save the file and restart VSCode

3. Refresh Your Jupyter Kernel #

Sometimes the kernel’s link to Markdown tools gets messed up:

• Open your notebook, then click the kernel selector in the top-right (e.g., "Python 3.9.6")
• Choose "Select Another Kernel" → "Install a new kernel"
• Reinstall your preferred Python kernel, then switch back to it
• Try rendering the Markdown cell again

4. Clear VSCode’s Cache Files #

Stale cached data from old extensions often causes conflicts:

• Close VSCode entirely
• Navigate to the cache directories:
  • Windows: %APPDATA%\Code\Cache and %APPDATA%\Code\CachedData
  • macOS: ~/Library/Caches/Code and ~/Library/Application Support/Code/CachedData
  • Linux: ~/.config/Code/Cache and ~/.config/Code/CachedData
• Delete all contents in these folders (VSCode will rebuild them on launch)
• Restart VSCode and open your notebook

5. Adjust VSCode/Extension Versions (Last Resort) #

If the above fails, there might be a compatibility mismatch:

• Recommended: Upgrade VSCode to the latest stable release—older versions miss critical bug fixes that resolve rendering issues
• If you must stay on 1.60.1, downgrade the Jupyter extension to a version released around August 2021 (when VSCode 1.60.1 launched) to ensure compatibility

Steps 1 and 4 fixed this issue for me in most cases—give those a shot first!

内容的提问来源于stack exchange，提问作者evenstevensm