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iPad not charging, or charging very slowly: what to try

Most iPad charging problems come down to a weak adapter, a tired cable, heat or a computer port that cannot supply enough power. These checks follow Apple's own order and take about 15 minutes.

Plug the iPad into a wall socket using the adapter that came with it or an Apple USB-C adapter of 20W or more, and try a different cable. Keep it out of heat, because an iPad pauses charging when it gets too warm. If it still will not charge, force restart it before you contact Apple.