heloo there!!!i hope you can give your help!!!today i received my 7" MID epad 2.2 android!everything was ok,i turned on the tablet was working fine,and i went to app market!then i just press the button on top,to put the tablet on sleep,like iphone,and after 5 minutes i press it again to turn on the epad!but my screen was all lines,like the picture i have above!plz tell me what i should do!thank you so much

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