android chinese tablet

sir,i flased with defferent files [they were not orginal firmware]"in live suite".After that tablet becomes completely on,but touch not works.
 
HI, My china tablet (IDOO ID720 android 4.0)showing too many pattern attempts , I tried to reset the tablet by pressing v+ button and power button . I cannot reset tablet ,because the screen is going black .please help me how to reset my tablet .
 
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