Ellipsis 7 boot error

about 2 days ago, my tablet was working normally, until i left it on my bed for 1.5 hours. now, every time i boot it up, it shows the "powered by android" screen, for like 5 seconds, then a black screen which is infinite. i tried to charge t over night, but that hasn't worked, also, i tried the power button while holding down the lower volume button, that did not work.

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