ADB is not detecting my android device on Ubuntu

Question

Need help, \"adb\" not detect my phone, I do not know what to do; and this was what I did, if I have a mistake or something tell me please.

1. I l

Answer 1

If you are using a virtual box(ubuntu), there is a menu at the bottom of the that allows you to add and remove USB devices. If you cannot see the bottom menu, that means you are probably in full screen.