Look at the port that you plug the wire into on the tablet. There should be a connector in the middle of it sticking straight out. If the connector is bent, try to carefully straiten it. If that's not the problem, try using a different cord to charge it. Sometimes the cords go bad. If neither of those work, your tablet might be broken. Take it back to where it was purchased and see what they can do for you
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Look at the port that you plug the wire into on the tablet. There should be a connector in the middle of it sticking straight out. If the connector is bent, try to carefully straiten it.
If that's not the problem, try using a different cord to charge it. Sometimes the cords go bad.
If neither of those work, your tablet might be broken. Take it back to where it was purchased and see what they can do for you