How to solve 'vue-cli-service' is not recognized as an internal or external command?

Question

I am getting an error when trying to run npm run serve. At first I installed node.js then vue as well as vue/cli. But when I am trying to run server as -> npm r

Answer 1

1. If you are using cmd in windows.
2. deleting the node_modules folder and after that run npm istall from the cmd.
3. run npm run serve and see if it works this time