How to open the already created react app after closing the laptop

I created a react app and after I closed my laptop
When I open my laptop then I am not able to run the development server where the react app is created then how to access my react app

@mayank.sharma What is the error you get. Can you share a screenshot of it?

I am not able to access my already created react app. I can see the code in sublime text. But how to run in browser

@mayank.sharma Did you run the npm start command in the terminal(by being in the project folder) to start the development server? If yes, then you should be able to see the development server running at localhost:3000.

Yes I run this command. But browser is not opening another command prompt opens after running start npm

I saw the development server after the creation of react app. Then I closed my laptop when I opened it that page is not showing.
Please respond soon

I got the execution Thank you

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