Power button , up volume , n home button will reset it and reset to put new password or just hold power button until it goes off and then hold power button until it comes on then off then press till it comes on
Allow the charger to charge the battery with the tablet OFF over night. The tablet requires MORE power than the charger can provide - but the charger provides enough power to slow charge the battery. In the morning it should be fine - unless the battery no longer can support a charge.
