After the tablet is connected to the charger, if there is no reaction at the tablet end and the battery charging icon is not displayed, there is no charging phenomenon. You can determine the cause of the problem in the following ways:
It is recommended that you use the charger and charging cable that come standard with the tablet to charge. Third-party chargers and data cables may not be compatible with the tablet, resulting in the tablet cannot be charged;
Check whether the tablet data cable interface is blocked by foreign matter, whether the data cable interface is mildew, corrosion, etc., if there is such a phenomenon, it is recommended that you go to the nearest store for cleaning and testing;
If your tablet has not been used for a long time, or the tablet has not been charged in time after the low power shutdown, the tablet battery has excessive discharge, and more time is needed to activate the battery, it is recommended that you charge for more than 30 minutes to see whether the tablet has a reaction;
Replace the charger and data cable that can be charged normally, and check whether the charger and data cable are faulty.