Well to turn it on, make sure it is charged up first.
Before moving past here I have to say that if your device is still newer and under warranty I would really suggest contacting your service provider or the manufacturer to help you repair or replace it as to not void said warranty.
Now, if it is charged and still does that when you try to turn it on, I would suggest trying to load it in "Safe Mode" to make sure the update you are getting is actually a real one.
To get into "Safe Mode" please do the following.
1. First turn off the tablet.
2. Next press and hold "Power" until you see the manufacturers logo on the screen, then release the power button.
3. "Quickly" press "Volume Down" and hold it for few seconds until you see...