Troubleshootingtroubleshooting / localhost
Localhost Issues
What this is
This page helps when the learner cannot open the project on localhost.
The usual checkpoint is:
Checkpoint
http://localhost:3000Why it matters
If localhost does not work, the learner should not build features yet.
Localhost is the first proof that the project setup is healthy.
What to do
- Restart the IDE.
- Check that Node.js is installed.
- Open the correct project folder.
- Open the IDE terminal.
- Run the project command again.
- Read the terminal output.
Use this prompt:
Copy prompt
My localhost is not working.
Here is my terminal output:
[paste output]
Help me fix only the next step.Common mistakes
- Running commands in the wrong folder.
- Ignoring terminal errors.
- Opening the wrong localhost URL.
- Continuing to build features while setup is broken.
Next step
Go to Errors.