Device Not Connected

Things you need to check first
Troubleshooting Option
  • Change another USB cable

    OEM ones if you have.

  • Try an alternate USB port

    USB 2.0 port, usually behind your computer.

  • Try unchecking "Media device (MTP) " in the USB Connection Settings.

    If there is an USB icon in your notification center, click it to uncheck MTP.
    Or, go to Settings > Storage > Menu item in upper right > USB computer connection > Uncheck MTP.

  • Disable any system modification related to the USB port.

    Such as applying fast USB charge hack

  • Just try again.
Final Method

If you have already installed driver correctly, but still "Device not connected" with Kingo. This is the ULTIMATE SOLUTION for you.

  • Open Task Manager by right-clicking the taskbar, and then clicking "Start Task Manager".

    You can also open Task Manager by pressing Ctrl+Shift+Esc.

  • Find adb.exe and right click it. Then select "End process tree"
  • Close Kingo Android Root and then re-launch it.