First of all, we need to determine whether there is a problem with the charging head or the charging line, for example, the charging head is broken, the line is broken, but it can not be seen, so we do not know;
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Second, see if it is due to the low battery power, the iPad enters the battery protection mode, at this time the battery will be in a dormant state, in this case, it needs to continue to charge for about half an hour to activate the battery;
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If not, you can go to the after-sales or physical store to test it to see whether it is a battery problem or a device