A 10.1 inch Samsung tablet computer with a 1.4 GHz processor, 1280x800 pixel LCD, and 149 ppi multi-touch display. The model number of the device is GT-N8013ZW. Released August 2012, repair of this device is straightforward.
It sounds like your LCD has gone out or the connection has just come loose. I would try to reseat the connection first and if that doesn't work I would order a replacement LCD screen.
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