I thought I would add to this thread an obvious step that sometimes gets forgotten.
I assume you attempted to charge your device in multiple sources: wall outlet, computer, etc.
I suggest you try some more, ideally varying cables and power adapters.
I experienced too many times - and even once with the one - the same exact brick you're describing and most of the times, the only solution was the above: find a combination to charge the device when its battery is completely depleted as in this situation they're more picky as to the source of power
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