ADB not responding. You can wait more,or kill “adb.exe” process manually and click 'Restart'

Question

I have installed Android Studio. Then I have updated the Android SDK. Now when I start Android Studio, this message pops up:

ADB not responding. You c

Answer 1

1.if your phone system is over 4.2.2 , there will be

2.disconnect the USB and try again or restart your phone

3.After after all try , it didn't work. It may be a shortage power supply so try other usb interface on your computer.

I solved the problem doing the first step . anyway have try.