Troubleshooting “ng is not recognized as an internal or external command” Error in Angular CLI

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Summary: Learn how to resolve the “ng is not recognized as an internal or external command” error in Angular CLI. Follow our comprehensive guide to get your Angular command-line tool working seamlessly.
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Troubleshooting “ng is not recognized as an internal or external command” Error in Angular CLI

If you’ve recently started working with Angular CLI and encountered the error message, “ng is not recognized as an internal or external command,” you’re not alone. This is a common issue that can be easily resolved with a few steps.

Understanding the Issue

This error typically indicates that the system is unable to find the Angular CLI executable in the system’s PATH. This may occur because the Angular CLI is not installed correctly, or it is installed, but the PATH environment variable is not updated to include the path to the ng executable.

Step-by-Step Solution

Verify Installation

Before diving into path-related modifications, ensure that Angular CLI is installed. You can check the installation by opening a terminal (Command Prompt or PowerShell on Windows, Terminal on macOS or Linux) and running:

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If Angular CLI is not listed, you must install it via npm:

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Check Environment Variables

If Angular CLI is installed but you still encounter the error, the next step is to check if the installation path is included in your PATH environment variable.

Windows

Open the Start Menu and search for “Environment Variables”.

Click on “Edit the system environment variables”.

In the System Properties window, click on “Environment Variables”.

In the Environment Variables window, under System variables, find and select the Path variable, then click “Edit”.

Ensure that the path to the npm global packages folder is included. Typically, it is located at:

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Add this path if it is not already listed, then click “OK” to save changes.

macOS/Linux

Open a terminal and check the current PATH variable:

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If the global npm install path is not in your PATH, add it by editing your shell configuration file (e.g., .bashrc, .bash_profile, .zshrc):

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Save the changes, and source the configuration file to apply the changes:

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Verify Installation Path

Another method involves directly verifying the installation path using npm:

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Ensure that this path (ending typically with lib/node_modules) matches the PATH variables you have set.

Restart the Terminal or System

Changes to environment variables may require you to restart your terminal or even your system for them to take effect.

Reinstall Angular CLI

As a last resort, if the issue persists, consider uninstalling and reinstalling Angular CLI:

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Conclusion

The “ng is not recognized as an internal or external command” error is a common hurdle that can be resolved by ensuring Angular CLI is correctly installed and properly configured in your PATH environment variable. Follow the steps outlined above, and you should be able to get back on track with Angular development. Happy coding!

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