Simply restarting the tablet doesn't always fix the issue.... I know that it certainly didn't work for me.... The black screen issue is on most cases due to the device being dropped (even if it didn't hit the deck very hard). In the process of doing so, what's happened is that it more than likely has slightly dislodged the LCD connector. What you will need to do is remove the back cover to your tablet (Make sure that the tablet is turned off before attempting to remove the cover in order to prevent any potential short circuiting in your motherboard or other electrical components). Once its open you will see 2 black tape looking connectors. 1 is for your LCD and the other is your battery charger. Both tapes should look fairly firm and tight. If they're not, then they are loose and more than likely the cause of your issues. You will see that at the connection point, there will (generally) be sticky tape or similar taped over the top. Gently remove each tape. Each connection point is only held in by a small...