Why will my 7 inch prontotec android tablet not shut off or restart, it's frozen on a black screen.

A

AC Question

Last night I was closing out of a game. While it was backing out and returning to home page it froze on a black screen. I can see the top bar with the time and battery life. The time or life of battery have not changed since it froze. The backlight will go off but when you push the power button instead of going to the unlock screen it just returns to a black screen.
 

B. Diddy

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Welcome to Android Central! On most devices, you can force a shutoff by pressing and holding Power for about 20-30 seconds until the screen shuts off. Then wait a few seconds, and try powering back on again.
 

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