How can I get ADB sideload screen off of my screen?

[AC Question]

how to get out on my screen "Adb sideload <filename> at my lenovo A3300-GL/

 

[B. Diddy]

Re: how to get out in the screen

Welcome to Android Central! Force a shutdown by pressing and holding the Power button for 10-15 seconds. Then wait a few seconds, and power on again normally.