How to restart ADB manually from Android Studio

Question

I previously developped Android apps on Android Studio . Everything works fine.

I work on real device, and Android Studio recognize it without issue.

Suddenl

Answer 1

If you are in Android Studio Open Terminal

 adb kill-server

press enter and again

 adb start-server

press enter

Otherwise

Open Command prompt and got android

sdk>platform-tools> adb kill-server

press enter

and again

adb start-server

press enter