# Troubleshooting frida connectivity

### Steps to verify frida-server is running

`adb shell`

`ps -A | grep frida`

![](https://488119401-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lzm4AJhr7K-rQNi6wbH%2F-M-5XkLPBBbkgyIzx4tG%2F-M-A5cO6DcKmwnEO6_5H%2Fimage.png?alt=media\&token=0439421e-c09b-4a88-8919-9c16d4ac7146)

Great! The server is running. Now we can verify connectivity. Leave your adb shell and go back to your emulator.

### How to start frida-server if it is not running

See [\[1.1\] Upload frida-server to the emulator or device and run using nohup](https://summit-labs.frida.ninja/lab/1-lab-setup-and-initial-app-exploration/1.1-upload-frida-server-to-the-emulator-or-device-and-run-using-nohup#run-frida-server-persistently-using-nohup)